Factors of 400 - All 15 Factors & Factor Pairs of 400

Exact Answer

1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400

Total Factors

Number Type

Composite Number

Smallest / Largest

1 and 400

Sum of Factors

961

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Step-by-Step Solution: Factors(400) = 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400

Step 1

Find All Integers That Divide 400 Evenly

Test integers from 1 up to √400 (20). Every divisor with remainder 0 gives a factor pair of 400.

Factors of 400: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400

Summary & Alternative Representations

Property / Format	Value
Total Factors	`15`
Number Type	`Composite Number`
Smallest / Largest	`1 and 400`
Sum of Factors	`961`

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Frequently Asked Questions

How many factors does 400 have?

400 has 15 positive factors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400.

Is 400 a prime number?

No, 400 is a composite number with 15 factors.