71172156920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41379161}}^1$

素因数の和:41379215

約数の個数: 32

約数和(自身を含む): 163861481520

約数和(自身を除く): 92689324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41379161, 82758322, 165516644, 206895805, 331033288, 413791610, 827583220, 1655166440, 1779303923, 3558607846, 7117215692, 8896519615, 14234431384, 17793039230, 35586078460, 71172156920]

約数ペア:

[(1, 71172156920), (2, 35586078460), (4, 17793039230), (5, 14234431384), (8, 8896519615), (10, 7117215692), (20, 3558607846), (40, 1779303923), (43, 1655166440), (86, 827583220), (172, 413791610), (215, 331033288), (344, 206895805), (430, 165516644), (860, 82758322), (1720, 41379161)]