Q: What is the sum of all factors of the number 10,640 excluding 10,640?
A: 19,120
The factors of the number 10,640 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640.
If you add them up, you will get the total of 10,659. Now subtract 10,640 to get 19,120