9981920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4799}}^1$

素因数の和:4827

約数の個数: 48

約数和(自身を含む): 25401600

約数和(自身を除く): 15419680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 4799, 9598, 19196, 23995, 38392, 47990, 62387, 76784, 95980, 124774, 153568, 191960, 249548, 311935, 383920, 499096, 623870, 767840, 998192, 1247740, 1996384, 2495480, 4990960, 9981920]

約数ペア:

[(1, 9981920), (2, 4990960), (4, 2495480), (5, 1996384), (8, 1247740), (10, 998192), (13, 767840), (16, 623870), (20, 499096), (26, 383920), (32, 311935), (40, 249548), (52, 191960), (65, 153568), (80, 124774), (104, 95980), (130, 76784), (160, 62387), (208, 47990), (260, 38392), (416, 23995), (520, 19196), (1040, 9598), (2080, 4799)]