2021891225

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{2017}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 2539604568

約数和(自身を除く): 517713343

約数列:

[1, 5, 25, 101, 397, 505, 1985, 2017, 2525, 9925, 10085, 40097, 50425, 200485, 203717, 800749, 1002425, 1018585, 4003745, 5092925, 20018725, 80875649, 404378245, 2021891225]

約数ペア:

[(1, 2021891225), (5, 404378245), (25, 80875649), (101, 20018725), (397, 5092925), (505, 4003745), (1985, 1018585), (2017, 1002425), (2525, 800749), (9925, 203717), (10085, 200485), (40097, 50425)]