Q: What is the sum of all factors of the number 12,510 excluding 12,510?
A: 20,250
The factors of the number 12,510 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510.
If you add them up, you will get the total of 12,530. Now subtract 12,510 to get 20,250