2016123905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1\times {\mathrm{4001}}^1$

素因数の和:7288

約数の個数: 16

約数和(自身を含む): 2498784768

約数和(自身を除く): 482660863

約数列:

[1, 5, 31, 155, 3251, 4001, 16255, 20005, 100781, 124031, 503905, 620155, 13007251, 65036255, 403224781, 2016123905]

約数ペア:

[(1, 2016123905), (5, 403224781), (31, 65036255), (155, 13007251), (3251, 620155), (4001, 503905), (16255, 124031), (20005, 100781)]