Q: What is the sum of all factors of the number 51,390 excluding 51,390?
A: 82,458
The factors of the number 51,390 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 571, 1142, 1713, 2855, 3426, 5139, 5710, 8565, 10278, 17130, 25695, 51390.
If you add them up, you will get the total of 51,472. Now subtract 51,390 to get 82,458