2040005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 2764800

約数和(自身を除く): 724795

約数列:

[1, 5, 11, 29, 55, 145, 319, 1279, 1595, 6395, 14069, 37091, 70345, 185455, 408001, 2040005]

約数ペア:

[(1, 2040005), (5, 408001), (11, 185455), (29, 70345), (55, 37091), (145, 14069), (319, 6395), (1279, 1595)]