Q: What is the sum of all factors of the number 82,509,100 excluding 82,509,100?

A: 99,073,028

Why is 99,073,028 the sum of all factors of 82,509,100, excluding 82,509,100?

The factors of the number 82,509,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 11621, 23242, 46484, 58105, 116210, 232420, 290525, 581050, 825091, 1162100, 1650182, 3300364, 4125455, 8250910, 16501820, 20627275, 41254550, 82509100.

If you add them up, you will get the total of 82,509,199. Now subtract 82,509,100 to get 99,073,028