217632760

素因数分解:

$2^3\times 5^1\times {\mathrm{5440819}}^1$

素因数の和:5440830

約数の個数: 16

約数和(自身を含む): 489673800

約数和(自身を除く): 272041040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5440819, 10881638, 21763276, 27204095, 43526552, 54408190, 108816380, 217632760]

約数ペア:

[(1, 217632760), (2, 108816380), (4, 54408190), (5, 43526552), (8, 27204095), (10, 21763276), (20, 10881638), (40, 5440819)]