Q: What is the sum of all factors of the number 64,780 including 64,780?
A: 141,120
The factors of the number 64,780 are: 1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 12956, 16195, 32390, 64780.
If you add them up, you will get the total of 141,120.