122561980

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{3881}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 257609520

約数和(自身を除く): 135047540

約数列:

[1, 2, 4, 5, 10, 20, 1579, 3158, 3881, 6316, 7762, 7895, 15524, 15790, 19405, 31580, 38810, 77620, 6128099, 12256198, 24512396, 30640495, 61280990, 122561980]

約数ペア:

[(1, 122561980), (2, 61280990), (4, 30640495), (5, 24512396), (10, 12256198), (20, 6128099), (1579, 77620), (3158, 38810), (3881, 31580), (6316, 19405), (7762, 15790), (7895, 15524)]