Q: What is the sum of all factors of the number 647,960 excluding 647,960?
A: 833,800
The factors of the number 647,960 are: 1, 2, 4, 5, 8, 10, 20, 40, 97, 167, 194, 334, 388, 485, 668, 776, 835, 970, 1336, 1670, 1940, 3340, 3880, 6680, 16199, 32398, 64796, 80995, 129592, 161990, 323980, 647960.
If you add them up, you will get the total of 648,793. Now subtract 647,960 to get 833,800