8351380

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 17629920

約数和(自身を除く): 9278540

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1979, 2110, 3958, 4220, 7916, 9895, 19790, 39580, 417569, 835138, 1670276, 2087845, 4175690, 8351380]

約数ペア:

[(1, 8351380), (2, 4175690), (4, 2087845), (5, 1670276), (10, 835138), (20, 417569), (211, 39580), (422, 19790), (844, 9895), (1055, 7916), (1979, 4220), (2110, 3958)]