Q: What is the sum of all factors of the number 31,540 excluding 31,540?
A: 39,020
The factors of the number 31,540 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540.
If you add them up, you will get the total of 31,579. Now subtract 31,540 to get 39,020