42357640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81457}}^1$

素因数の和:81481

約数の個数: 32

約数和(自身を含む): 102637080

約数和(自身を除く): 60279440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81457, 162914, 325828, 407285, 651656, 814570, 1058941, 1629140, 2117882, 3258280, 4235764, 5294705, 8471528, 10589410, 21178820, 42357640]

約数ペア:

[(1, 42357640), (2, 21178820), (4, 10589410), (5, 8471528), (8, 5294705), (10, 4235764), (13, 3258280), (20, 2117882), (26, 1629140), (40, 1058941), (52, 814570), (65, 651656), (104, 407285), (130, 325828), (260, 162914), (520, 81457)]