90265820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{54377}}^1$

素因数の和:54469

約数の個数: 24

約数和(自身を含む): 191845584

約数和(自身を除く): 101579764

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 54377, 108754, 217508, 271885, 543770, 1087540, 4513291, 9026582, 18053164, 22566455, 45132910, 90265820]

約数ペア:

[(1, 90265820), (2, 45132910), (4, 22566455), (5, 18053164), (10, 9026582), (20, 4513291), (83, 1087540), (166, 543770), (332, 271885), (415, 217508), (830, 108754), (1660, 54377)]