Q: What is the sum of all factors of the number 13,390 excluding 13,390?
A: 12,818
The factors of the number 13,390 are: 1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390.
If you add them up, you will get the total of 13,402. Now subtract 13,390 to get 12,818