2018902525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1969661}}^1$

素因数の和:1969712

約数の個数: 12

約数和(自身を含む): 2564499924

約数和(自身を除く): 545597399

約数列:

[1, 5, 25, 41, 205, 1025, 1969661, 9848305, 49241525, 80756101, 403780505, 2018902525]

約数ペア:

[(1, 2018902525), (5, 403780505), (25, 80756101), (41, 49241525), (205, 9848305), (1025, 1969661)]