2021554225

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{617}}^1\times {\mathrm{1579}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 2542649760

約数和(自身を除く): 521095535

約数列:

[1, 5, 25, 83, 415, 617, 1579, 2075, 3085, 7895, 15425, 39475, 51211, 131057, 256055, 655285, 974243, 1280275, 3276425, 4871215, 24356075, 80862169, 404310845, 2021554225]

約数ペア:

[(1, 2021554225), (5, 404310845), (25, 80862169), (83, 24356075), (415, 4871215), (617, 3276425), (1579, 1280275), (2075, 974243), (3085, 655285), (7895, 256055), (15425, 131057), (39475, 51211)]