260806780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1003103}}^1$

素因数の和:1003125

約数の個数: 24

約数和(自身を含む): 589825152

約数和(自身を除く): 329018372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1003103, 2006206, 4012412, 5015515, 10031030, 13040339, 20062060, 26080678, 52161356, 65201695, 130403390, 260806780]

約数ペア:

[(1, 260806780), (2, 130403390), (4, 65201695), (5, 52161356), (10, 26080678), (13, 20062060), (20, 13040339), (26, 10031030), (52, 5015515), (65, 4012412), (130, 2006206), (260, 1003103)]