Q: What is the sum of all factors of the number 39,920 excluding 39,920?
A: 53,080
The factors of the number 39,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 19960, 39920.
If you add them up, you will get the total of 39,973. Now subtract 39,920 to get 53,080