39018025

素因数分解:

$5^2\times {\mathrm{821}}^1\times {\mathrm{1901}}^1$

素因数の和:2732

約数の個数: 12

約数和(自身を含む): 48466764

約数和(自身を除く): 9448739

約数列:

[1, 5, 25, 821, 1901, 4105, 9505, 20525, 47525, 1560721, 7803605, 39018025]

約数ペア:

[(1, 39018025), (5, 7803605), (25, 1560721), (821, 47525), (1901, 20525), (4105, 9505)]