Q: What is the sum of all factors of the number 9,880 excluding 9,880?
A: 15,320
The factors of the number 9,880 are: 1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880.
If you add them up, you will get the total of 9,895. Now subtract 9,880 to get 15,320