69087020

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2131}}^1$

素因数の和:3761

約数の個数: 24

約数和(自身を含む): 145240368

約数和(自身を除く): 76153348

約数列:

[1, 2, 4, 5, 10, 20, 1621, 2131, 3242, 4262, 6484, 8105, 8524, 10655, 16210, 21310, 32420, 42620, 3454351, 6908702, 13817404, 17271755, 34543510, 69087020]

約数ペア:

[(1, 69087020), (2, 34543510), (4, 17271755), (5, 13817404), (10, 6908702), (20, 3454351), (1621, 42620), (2131, 32420), (3242, 21310), (4262, 16210), (6484, 10655), (8105, 8524)]