140490640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15541}}^1$

素因数の和:15667

約数の個数: 40

約数和(自身を含む): 329552568

約数和(自身を除く): 189061928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 15541, 31082, 62164, 77705, 124328, 155410, 248656, 310820, 621640, 1243280, 1756133, 3512266, 7024532, 8780665, 14049064, 17561330, 28098128, 35122660, 70245320, 140490640]

約数ペア:

[(1, 140490640), (2, 70245320), (4, 35122660), (5, 28098128), (8, 17561330), (10, 14049064), (16, 8780665), (20, 7024532), (40, 3512266), (80, 1756133), (113, 1243280), (226, 621640), (452, 310820), (565, 248656), (904, 155410), (1130, 124328), (1808, 77705), (2260, 62164), (4520, 31082), (9040, 15541)]