1377220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5297}}^1$

素因数の和:5319

約数の個数: 24

約数和(自身を含む): 3115224

約数和(自身を除く): 1738004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5297, 10594, 21188, 26485, 52970, 68861, 105940, 137722, 275444, 344305, 688610, 1377220]

約数ペア:

[(1, 1377220), (2, 688610), (4, 344305), (5, 275444), (10, 137722), (13, 105940), (20, 68861), (26, 52970), (52, 26485), (65, 21188), (130, 10594), (260, 5297)]