90308020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{410491}}^1$

素因数の和:410511

約数の個数: 24

約数和(自身を含む): 206887968

約数和(自身を除く): 116579948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 410491, 820982, 1641964, 2052455, 4104910, 4515401, 8209820, 9030802, 18061604, 22577005, 45154010, 90308020]

約数ペア:

[(1, 90308020), (2, 45154010), (4, 22577005), (5, 18061604), (10, 9030802), (11, 8209820), (20, 4515401), (22, 4104910), (44, 2052455), (55, 1641964), (110, 820982), (220, 410491)]