133043115640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81123851}}^1$

素因数の和:81123903

約数の個数: 32

約数和(自身を含む): 306648160560

約数和(自身を除く): 173605044920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81123851, 162247702, 324495404, 405619255, 648990808, 811238510, 1622477020, 3244954040, 3326077891, 6652155782, 13304311564, 16630389455, 26608623128, 33260778910, 66521557820, 133043115640]

約数ペア:

[(1, 133043115640), (2, 66521557820), (4, 33260778910), (5, 26608623128), (8, 16630389455), (10, 13304311564), (20, 6652155782), (40, 3326077891), (41, 3244954040), (82, 1622477020), (164, 811238510), (205, 648990808), (328, 405619255), (410, 324495404), (820, 162247702), (1640, 81123851)]