28720850

素因数分解:

$2^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1847}}^1$

素因数の和:2170

約数の個数: 24

約数和(自身を含む): 53621568

約数和(自身を除く): 24900718

約数列:

[1, 2, 5, 10, 25, 50, 311, 622, 1555, 1847, 3110, 3694, 7775, 9235, 15550, 18470, 46175, 92350, 574417, 1148834, 2872085, 5744170, 14360425, 28720850]

約数ペア:

[(1, 28720850), (2, 14360425), (5, 5744170), (10, 2872085), (25, 1148834), (50, 574417), (311, 92350), (622, 46175), (1555, 18470), (1847, 15550), (3110, 9235), (3694, 7775)]