12997360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4441

約数の個数: 40

約数和(自身を含む): 31042656

約数和(自身を除く): 18045296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4391, 8782, 17564, 21955, 35128, 43910, 70256, 87820, 162467, 175640, 324934, 351280, 649868, 812335, 1299736, 1624670, 2599472, 3249340, 6498680, 12997360]

約数ペア:

[(1, 12997360), (2, 6498680), (4, 3249340), (5, 2599472), (8, 1624670), (10, 1299736), (16, 812335), (20, 649868), (37, 351280), (40, 324934), (74, 175640), (80, 162467), (148, 87820), (185, 70256), (296, 43910), (370, 35128), (592, 21955), (740, 17564), (1480, 8782), (2960, 4391)]