Q: What is the sum of all factors of the number 665,660 excluding 665,660?
A: 752,596
The factors of the number 665,660 are: 1, 2, 4, 5, 10, 20, 83, 166, 332, 401, 415, 802, 830, 1604, 1660, 2005, 4010, 8020, 33283, 66566, 133132, 166415, 332830, 665660.
If you add them up, you will get the total of 666,412. Now subtract 665,660 to get 752,596