12466480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11987}}^1$

素因数の和:12013

約数の個数: 40

約数和(自身を含む): 31216752

約数和(自身を除く): 18750272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11987, 23974, 47948, 59935, 95896, 119870, 155831, 191792, 239740, 311662, 479480, 623324, 779155, 958960, 1246648, 1558310, 2493296, 3116620, 6233240, 12466480]

約数ペア:

[(1, 12466480), (2, 6233240), (4, 3116620), (5, 2493296), (8, 1558310), (10, 1246648), (13, 958960), (16, 779155), (20, 623324), (26, 479480), (40, 311662), (52, 239740), (65, 191792), (80, 155831), (104, 119870), (130, 95896), (208, 59935), (260, 47948), (520, 23974), (1040, 11987)]