Q: What is the sum of all factors of the number 8,120 excluding 8,120?
A: 13,480
The factors of the number 8,120 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120.
If you add them up, you will get the total of 8,133. Now subtract 8,120 to get 13,480