28304540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128657}}^1$

素因数の和:128677

約数の個数: 24

約数和(自身を含む): 64843632

約数和(自身を除く): 36539092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128657, 257314, 514628, 643285, 1286570, 1415227, 2573140, 2830454, 5660908, 7076135, 14152270, 28304540]

約数ペア:

[(1, 28304540), (2, 14152270), (4, 7076135), (5, 5660908), (10, 2830454), (11, 2573140), (20, 1415227), (22, 1286570), (44, 643285), (55, 514628), (110, 257314), (220, 128657)]