90840620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349387}}^1$

素因数の和:349409

約数の個数: 24

約数和(自身を含む): 205440144

約数和(自身を除く): 114599524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349387, 698774, 1397548, 1746935, 3493870, 4542031, 6987740, 9084062, 18168124, 22710155, 45420310, 90840620]

約数ペア:

[(1, 90840620), (2, 45420310), (4, 22710155), (5, 18168124), (10, 9084062), (13, 6987740), (20, 4542031), (26, 3493870), (52, 1746935), (65, 1397548), (130, 698774), (260, 349387)]