8520290

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1289}}^1$

素因数の和:1957

約数の個数: 16

約数和(自身を含む): 15371640

約数和(自身を除く): 6851350

約数列:

[1, 2, 5, 10, 661, 1289, 1322, 2578, 3305, 6445, 6610, 12890, 852029, 1704058, 4260145, 8520290]

約数ペア:

[(1, 8520290), (2, 4260145), (5, 1704058), (10, 852029), (661, 12890), (1289, 6610), (1322, 6445), (2578, 3305)]