What is the sum of all the factors of 40?

Answer 1

Two of the factors of 40 are odd. The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40

Answer 2

40

20,2

10,2,2

5,2,2,2

Answer 3

40: 1 + 40 + 2 + 20 + 4 + 10 + 5 + 8 = 90

Answer 4

2, 4, 8, 10, 20 or 40

Answer 5

Yes, 1 is a factor of 40.

Answer 6

1,2,4,5,8,10,20,40

Answer 7

Eight factors.

Answer 8

1, 2, 4, 5, 8 10 20, 40