8340085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 11128320

約数和(自身を除く): 2788235

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 4139, 20695, 53807, 128309, 269035, 641545, 1668017, 8340085]

約数ペア:

[(1, 8340085), (5, 1668017), (13, 641545), (31, 269035), (65, 128309), (155, 53807), (403, 20695), (2015, 4139)]