Q: What is the sum of all factors of the number 261,980 excluding 261,980?
A: 288,220
The factors of the number 261,980 are: 1, 2, 4, 5, 10, 20, 13099, 26198, 52396, 65495, 130990, 261980.
If you add them up, you will get the total of 262,268. Now subtract 261,980 to get 288,220