13509968125

素因数分解:

$5^4\times {\mathrm{1399}}^1\times {\mathrm{15451}}^1$

素因数の和:16870

約数の個数: 20

約数和(自身を含む): 16895216800

約数和(自身を除く): 3385248675

約数列:

[1, 5, 25, 125, 625, 1399, 6995, 15451, 34975, 77255, 174875, 386275, 874375, 1931375, 9656875, 21615949, 108079745, 540398725, 2701993625, 13509968125]

約数ペア:

[(1, 13509968125), (5, 2701993625), (25, 540398725), (125, 108079745), (625, 21615949), (1399, 9656875), (6995, 1931375), (15451, 874375), (34975, 386275), (77255, 174875)]