Q: What is the sum of all factors of the number 812,500 excluding 812,500?

A: 1,101,538

Why is 1,101,538 the sum of all factors of 812,500, excluding 812,500?

The factors of the number 812,500 are: 1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3125, 3250, 6250, 6500, 8125, 12500, 15625, 16250, 31250, 32500, 40625, 62500, 81250, 162500, 203125, 406250, 812500.

If you add them up, you will get the total of 812,501. Now subtract 812,500 to get 1,101,538