16388125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2050

約数の個数: 20

約数和(自身を含む): 22064812

約数和(自身を除く): 5676687

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2017, 8125, 10085, 26221, 50425, 131105, 252125, 655525, 1260625, 3277625, 16388125]

約数ペア:

[(1, 16388125), (5, 3277625), (13, 1260625), (25, 655525), (65, 252125), (125, 131105), (325, 50425), (625, 26221), (1625, 10085), (2017, 8125)]