Q: What is the sum of all factors of the number 13,240 excluding 13,240?
A: 16,640
The factors of the number 13,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240.
If you add them up, you will get the total of 13,256. Now subtract 13,240 to get 16,640