Q: What is the sum of all factors of the number 12,740 excluding 12,740?
A: 20,776
The factors of the number 12,740 are: 1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740.
If you add them up, you will get the total of 12,760. Now subtract 12,740 to get 20,776