2128049305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1\times {\mathrm{4481}}^1$

素因数の和:9504

約数の個数: 16

約数和(自身を含む): 2689200000

約数和(自身を除く): 561150695

約数列:

[1, 5, 19, 95, 4481, 4999, 22405, 24995, 85139, 94981, 425695, 474905, 22400519, 112002595, 425609861, 2128049305]

約数ペア:

[(1, 2128049305), (5, 425609861), (19, 112002595), (95, 22400519), (4481, 474905), (4999, 425695), (22405, 94981), (24995, 85139)]