13344440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2239}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 16895560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2239, 2980, 4478, 5960, 8956, 11195, 17912, 22390, 44780, 89560, 333611, 667222, 1334444, 1668055, 2668888, 3336110, 6672220, 13344440]

約数ペア:

[(1, 13344440), (2, 6672220), (4, 3336110), (5, 2668888), (8, 1668055), (10, 1334444), (20, 667222), (40, 333611), (149, 89560), (298, 44780), (596, 22390), (745, 17912), (1192, 11195), (1490, 8956), (2239, 5960), (2980, 4478)]