21627800

素因数分解:

$2^3\times 5^2\times {\mathrm{108139}}^1$

素因数の和:108155

約数の個数: 24

約数和(自身を含む): 50285100

約数和(自身を除く): 28657300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108139, 216278, 432556, 540695, 865112, 1081390, 2162780, 2703475, 4325560, 5406950, 10813900, 21627800]

約数ペア:

[(1, 21627800), (2, 10813900), (4, 5406950), (5, 4325560), (8, 2703475), (10, 2162780), (20, 1081390), (25, 865112), (40, 540695), (50, 432556), (100, 216278), (200, 108139)]