120656440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73571}}^1$

素因数の和:73623

約数の個数: 32

約数和(自身を含む): 278102160

約数和(自身を除く): 157445720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 73571, 147142, 294284, 367855, 588568, 735710, 1471420, 2942840, 3016411, 6032822, 12065644, 15082055, 24131288, 30164110, 60328220, 120656440]

約数ペア:

[(1, 120656440), (2, 60328220), (4, 30164110), (5, 24131288), (8, 15082055), (10, 12065644), (20, 6032822), (40, 3016411), (41, 2942840), (82, 1471420), (164, 735710), (205, 588568), (328, 367855), (410, 294284), (820, 147142), (1640, 73571)]