2840555740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12911617}}^1$

素因数の和:12911637

約数の個数: 24

約数和(自身を含む): 6507455472

約数和(自身を除く): 3666899732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12911617, 25823234, 51646468, 64558085, 129116170, 142027787, 258232340, 284055574, 568111148, 710138935, 1420277870, 2840555740]

約数ペア:

[(1, 2840555740), (2, 1420277870), (4, 710138935), (5, 568111148), (10, 284055574), (11, 258232340), (20, 142027787), (22, 129116170), (44, 64558085), (55, 51646468), (110, 25823234), (220, 12911617)]