Q: What is the sum of all factors of the number 102,920 excluding 102,920?
A: 139,000
The factors of the number 102,920 are: 1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 3320, 5146, 10292, 12865, 20584, 25730, 51460, 102920.
If you add them up, you will get the total of 103,059. Now subtract 102,920 to get 139,000