Q: What is the sum of all factors of the number 9,040 excluding 9,040?
A: 12,164
The factors of the number 9,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040.
If you add them up, you will get the total of 9,052. Now subtract 9,040 to get 12,164