28408750

素因数分解:

$2^1\times 5^4\times {\mathrm{22727}}^1$

素因数の和:22749

約数の個数: 20

約数和(自身を含む): 53251704

約数和(自身を除く): 24842954

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22727, 45454, 113635, 227270, 568175, 1136350, 2840875, 5681750, 14204375, 28408750]

約数ペア:

[(1, 28408750), (2, 14204375), (5, 5681750), (10, 2840875), (25, 1136350), (50, 568175), (125, 227270), (250, 113635), (625, 45454), (1250, 22727)]