2021812505425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{78017}}^1\times {\mathrm{24107}}^1$

素因数の和:102177

約数の個数: 24

約数和(自身を含む): 2565490235616

約数和(自身を除く): 543677730191

約数列:

[1, 5, 25, 43, 215, 1075, 24107, 78017, 120535, 390085, 602675, 1036601, 1950425, 3354731, 5183005, 16773655, 25915025, 83868275, 1880755819, 9403779095, 47018895475, 80872500217, 404362501085, 2021812505425]

約数ペア:

[(1, 2021812505425), (5, 404362501085), (25, 80872500217), (43, 47018895475), (215, 9403779095), (1075, 1880755819), (24107, 83868275), (78017, 25915025), (120535, 16773655), (390085, 5183005), (602675, 3354731), (1036601, 1950425)]