51334660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197441}}^1$

素因数の和:197463

約数の個数: 24

約数和(自身を含む): 116095896

約数和(自身を除く): 64761236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197441, 394882, 789764, 987205, 1974410, 2566733, 3948820, 5133466, 10266932, 12833665, 25667330, 51334660]

約数ペア:

[(1, 51334660), (2, 25667330), (4, 12833665), (5, 10266932), (10, 5133466), (13, 3948820), (20, 2566733), (26, 1974410), (52, 987205), (65, 789764), (130, 394882), (260, 197441)]