12863920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 30194496

約数和(自身を除く): 17330576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1423, 1808, 2260, 2846, 4520, 5692, 7115, 9040, 11384, 14230, 22768, 28460, 56920, 113840, 160799, 321598, 643196, 803995, 1286392, 1607990, 2572784, 3215980, 6431960, 12863920]

約数ペア:

[(1, 12863920), (2, 6431960), (4, 3215980), (5, 2572784), (8, 1607990), (10, 1286392), (16, 803995), (20, 643196), (40, 321598), (80, 160799), (113, 113840), (226, 56920), (452, 28460), (565, 22768), (904, 14230), (1130, 11384), (1423, 9040), (1808, 7115), (2260, 5692), (2846, 4520)]