Q: What is the sum of all factors of the number 3,871,720 including 3,871,720?
A: 8,917,920
The factors of the number 3,871,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2251, 4502, 9004, 11255, 18008, 22510, 45020, 90040, 96793, 193586, 387172, 483965, 774344, 967930, 1935860, 3871720.
If you add them up, you will get the total of 8,917,920.