54181660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208391}}^1$

素因数の和:208413

約数の個数: 24

約数和(自身を含む): 122534496

約数和(自身を除く): 68352836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 208391, 416782, 833564, 1041955, 2083910, 2709083, 4167820, 5418166, 10836332, 13545415, 27090830, 54181660]

約数ペア:

[(1, 54181660), (2, 27090830), (4, 13545415), (5, 10836332), (10, 5418166), (13, 4167820), (20, 2709083), (26, 2083910), (52, 1041955), (65, 833564), (130, 416782), (260, 208391)]