2171800

素因数分解:

$2^3\times 5^2\times {\mathrm{10859}}^1$

素因数の和:10875

約数の個数: 24

約数和(自身を含む): 5049900

約数和(自身を除く): 2878100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10859, 21718, 43436, 54295, 86872, 108590, 217180, 271475, 434360, 542950, 1085900, 2171800]

約数ペア:

[(1, 2171800), (2, 1085900), (4, 542950), (5, 434360), (8, 271475), (10, 217180), (20, 108590), (25, 86872), (40, 54295), (50, 43436), (100, 21718), (200, 10859)]