87940540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{11981}}^1$

素因数の和:12357

約数の個数: 24

約数和(自身を含む): 185193792

約数和(自身を除く): 97253252

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 11981, 23962, 47924, 59905, 119810, 239620, 4397027, 8794054, 17588108, 21985135, 43970270, 87940540]

約数ペア:

[(1, 87940540), (2, 43970270), (4, 21985135), (5, 17588108), (10, 8794054), (20, 4397027), (367, 239620), (734, 119810), (1468, 59905), (1835, 47924), (3670, 23962), (7340, 11981)]