28146260

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5351}}^1$

素因数の和:5623

約数の個数: 24

約数和(自身を含む): 59342976

約数和(自身を除く): 31196716

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5351, 10702, 21404, 26755, 53510, 107020, 1407313, 2814626, 5629252, 7036565, 14073130, 28146260]

約数ペア:

[(1, 28146260), (2, 14073130), (4, 7036565), (5, 5629252), (10, 2814626), (20, 1407313), (263, 107020), (526, 53510), (1052, 26755), (1315, 21404), (2630, 10702), (5260, 5351)]