90801140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20359}}^1$

素因数の和:20591

約数の個数: 24

約数和(自身を含む): 191546880

約数和(自身を除く): 100745740

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 20359, 40718, 81436, 101795, 203590, 407180, 4540057, 9080114, 18160228, 22700285, 45400570, 90801140]

約数ペア:

[(1, 90801140), (2, 45400570), (4, 22700285), (5, 18160228), (10, 9080114), (20, 4540057), (223, 407180), (446, 203590), (892, 101795), (1115, 81436), (2230, 40718), (4460, 20359)]