85720030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{70843}}^1$

素因数の和:70872

約数の個数: 24

約数和(自身を含む): 169600536

約数和(自身を除く): 83880506

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 70843, 141686, 354215, 708430, 779273, 1558546, 3896365, 7792730, 8572003, 17144006, 42860015, 85720030]

約数ペア:

[(1, 85720030), (2, 42860015), (5, 17144006), (10, 8572003), (11, 7792730), (22, 3896365), (55, 1558546), (110, 779273), (121, 708430), (242, 354215), (605, 141686), (1210, 70843)]