38111420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3881}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 80217648

約数和(自身を除く): 42106228

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 3881, 4910, 7762, 9820, 15524, 19405, 38810, 77620, 1905571, 3811142, 7622284, 9527855, 19055710, 38111420]

約数ペア:

[(1, 38111420), (2, 19055710), (4, 9527855), (5, 7622284), (10, 3811142), (20, 1905571), (491, 77620), (982, 38810), (1964, 19405), (2455, 15524), (3881, 9820), (4910, 7762)]