55481660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213391}}^1$

素因数の和:213413

約数の個数: 24

約数和(自身を含む): 125474496

約数和(自身を除く): 69992836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 213391, 426782, 853564, 1066955, 2133910, 2774083, 4267820, 5548166, 11096332, 13870415, 27740830, 55481660]

約数ペア:

[(1, 55481660), (2, 27740830), (4, 13870415), (5, 11096332), (10, 5548166), (13, 4267820), (20, 2774083), (26, 2133910), (52, 1066955), (65, 853564), (130, 426782), (260, 213391)]