82161140

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{3359}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 172730880

約数和(自身を除く): 90569740

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 3359, 4892, 6115, 6718, 12230, 13436, 16795, 24460, 33590, 67180, 4108057, 8216114, 16432228, 20540285, 41080570, 82161140]

約数ペア:

[(1, 82161140), (2, 41080570), (4, 20540285), (5, 16432228), (10, 8216114), (20, 4108057), (1223, 67180), (2446, 33590), (3359, 24460), (4892, 16795), (6115, 13436), (6718, 12230)]