28051580

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5333}}^1$

素因数の和:5605

約数の個数: 24

約数和(自身を含む): 59143392

約数和(自身を除く): 31091812

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5333, 10666, 21332, 26665, 53330, 106660, 1402579, 2805158, 5610316, 7012895, 14025790, 28051580]

約数ペア:

[(1, 28051580), (2, 14025790), (4, 7012895), (5, 5610316), (10, 2805158), (20, 1402579), (263, 106660), (526, 53330), (1052, 26665), (1315, 21332), (2630, 10666), (5260, 5333)]