Q: What is the sum of all factors of the number 6,500 excluding 6,500?
A: 8,788
The factors of the number 6,500 are: 1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500.
If you add them up, you will get the total of 6,508. Now subtract 6,500 to get 8,788