2220789625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{573107}}^1$

素因数の和:573153

約数の個数: 16

約数和(自身を含む): 2860955136

約数和(自身を除く): 640165511

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 573107, 2865535, 14327675, 17766317, 71638375, 88831585, 444157925, 2220789625]

約数ペア:

[(1, 2220789625), (5, 444157925), (25, 88831585), (31, 71638375), (125, 17766317), (155, 14327675), (775, 2865535), (3875, 573107)]