64594053220

素因数分解:

$2^2\times 5^1\times {\mathrm{29921}}^1\times {\mathrm{107941}}^1$

素因数の和:137871

約数の個数: 24

約数和(自身を含む): 135653302008

約数和(自身を除く): 71059248788

約数列:

[1, 2, 4, 5, 10, 20, 29921, 59842, 107941, 119684, 149605, 215882, 299210, 431764, 539705, 598420, 1079410, 2158820, 3229702661, 6459405322, 12918810644, 16148513305, 32297026610, 64594053220]

約数ペア:

[(1, 64594053220), (2, 32297026610), (4, 16148513305), (5, 12918810644), (10, 6459405322), (20, 3229702661), (29921, 2158820), (59842, 1079410), (107941, 598420), (119684, 539705), (149605, 431764), (215882, 299210)]