Q: What is the sum of all factors of the number 27,777,280 excluding 27,777,280?

A: 38,761,052

Why is 38,761,052 the sum of all factors of 27,777,280, excluding 27,777,280?

The factors of the number 27,777,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21701, 43402, 86804, 108505, 173608, 217010, 347216, 434020, 694432, 868040, 1388864, 1736080, 2777728, 3472160, 5555456, 6944320, 13888640, 27777280.

If you add them up, you will get the total of 27,777,318. Now subtract 27,777,280 to get 38,761,052