Q: What is the sum of all factors of the number 8,920 excluding 8,920?
A: 11,240
The factors of the number 8,920 are: 1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920.
If you add them up, you will get the total of 8,931. Now subtract 8,920 to get 11,240