Q: What is the sum of all factors of the number 27,640 excluding 27,640?
A: 34,640
The factors of the number 27,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640.
If you add them up, you will get the total of 27,674. Now subtract 27,640 to get 34,640