77192020

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2381}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 162271368

約数和(自身を除く): 85079348

約数列:

[1, 2, 4, 5, 10, 20, 1621, 2381, 3242, 4762, 6484, 8105, 9524, 11905, 16210, 23810, 32420, 47620, 3859601, 7719202, 15438404, 19298005, 38596010, 77192020]

約数ペア:

[(1, 77192020), (2, 38596010), (4, 19298005), (5, 15438404), (10, 7719202), (20, 3859601), (1621, 47620), (2381, 32420), (3242, 23810), (4762, 16210), (6484, 11905), (8105, 9524)]