8291660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31891}}^1$

素因数の和:31913

約数の個数: 24

約数和(自身を含む): 18752496

約数和(自身を除く): 10460836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31891, 63782, 127564, 159455, 318910, 414583, 637820, 829166, 1658332, 2072915, 4145830, 8291660]

約数ペア:

[(1, 8291660), (2, 4145830), (4, 2072915), (5, 1658332), (10, 829166), (13, 637820), (20, 414583), (26, 318910), (52, 159455), (65, 127564), (130, 63782), (260, 31891)]