Q: What is the sum of all factors of the number 67,940 excluding 67,940?
A: 79,900
The factors of the number 67,940 are: 1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 3397, 6794, 13588, 16985, 33970, 67940.
If you add them up, you will get the total of 68,019. Now subtract 67,940 to get 79,900