Q: What is the sum of all factors of the number 2,120 excluding 2,120?
A: 2,740
The factors of the number 2,120 are: 1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120.
If you add them up, you will get the total of 2,122. Now subtract 2,120 to get 2,740