What are the factors of -400?

Answer 1

The factors of 400 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400.

The factor pairs of 400 are 1 x 400, 2 x 200, 4 x 100, 5 x 80, 8 x 50, 10 x 40, 16 x 25, and 20 x 20.

Answer 2

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