2020605575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{1459}}^1\times {\mathrm{1787}}^1$

素因数の和:3287

約数の個数: 24

約数和(自身を含む): 2589596160

約数和(自身を除く): 568990585

約数列:

[1, 5, 25, 31, 155, 775, 1459, 1787, 7295, 8935, 36475, 44675, 45229, 55397, 226145, 276985, 1130725, 1384925, 2607233, 13036165, 65180825, 80824223, 404121115, 2020605575]

約数ペア:

[(1, 2020605575), (5, 404121115), (25, 80824223), (31, 65180825), (155, 13036165), (775, 2607233), (1459, 1384925), (1787, 1130725), (7295, 276985), (8935, 226145), (36475, 55397), (44675, 45229)]