20163050125

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{1812409}}^1$

素因数の和:1812513

約数の個数: 16

約数和(自身を含む): 25446236400

約数和(自身を除く): 5283186275

約数列:

[1, 5, 25, 89, 125, 445, 2225, 11125, 1812409, 9062045, 45310225, 161304401, 226551125, 806522005, 4032610025, 20163050125]

約数ペア:

[(1, 20163050125), (5, 4032610025), (25, 806522005), (89, 226551125), (125, 161304401), (445, 45310225), (2225, 9062045), (11125, 1812409)]