68558125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2614

約数の個数: 20

約数和(自身を含む): 87696928

約数和(自身を除く): 19138803

約数列:

[1, 5, 25, 43, 125, 215, 625, 1075, 2551, 5375, 12755, 26875, 63775, 109693, 318875, 548465, 1594375, 2742325, 13711625, 68558125]

約数ペア:

[(1, 68558125), (5, 13711625), (25, 2742325), (43, 1594375), (125, 548465), (215, 318875), (625, 109693), (1075, 63775), (2551, 26875), (5375, 12755)]