28527850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43889}}^1$

素因数の和:43914

約数の個数: 24

約数和(自身を含む): 57144780

約数和(自身を除く): 28616930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43889, 87778, 219445, 438890, 570557, 1097225, 1141114, 2194450, 2852785, 5705570, 14263925, 28527850]

約数ペア:

[(1, 28527850), (2, 14263925), (5, 5705570), (10, 2852785), (13, 2194450), (25, 1141114), (26, 1097225), (50, 570557), (65, 438890), (130, 219445), (325, 87778), (650, 43889)]