Q: What is the sum of all factors of the number 12,760 excluding 12,760?
A: 19,640
The factors of the number 12,760 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760.
If you add them up, you will get the total of 12,779. Now subtract 12,760 to get 19,640