25646660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98641}}^1$

素因数の和:98663

約数の個数: 24

約数和(自身を含む): 58001496

約数和(自身を除く): 32354836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98641, 197282, 394564, 493205, 986410, 1282333, 1972820, 2564666, 5129332, 6411665, 12823330, 25646660]

約数ペア:

[(1, 25646660), (2, 12823330), (4, 6411665), (5, 5129332), (10, 2564666), (13, 1972820), (20, 1282333), (26, 986410), (52, 493205), (65, 394564), (130, 197282), (260, 98641)]