268565180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1032943}}^1$

素因数の和:1032965

約数の個数: 24

約数和(自身を含む): 607371072

約数和(自身を除く): 338805892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1032943, 2065886, 4131772, 5164715, 10329430, 13428259, 20658860, 26856518, 53713036, 67141295, 134282590, 268565180]

約数ペア:

[(1, 268565180), (2, 134282590), (4, 67141295), (5, 53713036), (10, 26856518), (13, 20658860), (20, 13428259), (26, 10329430), (52, 5164715), (65, 4131772), (130, 2065886), (260, 1032943)]