18540125

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{1787}}^1$

素因数の和:1885

約数の個数: 16

約数和(自身を含む): 23429952

約数和(自身を除く): 4889827

約数列:

[1, 5, 25, 83, 125, 415, 1787, 2075, 8935, 10375, 44675, 148321, 223375, 741605, 3708025, 18540125]

約数ペア:

[(1, 18540125), (5, 3708025), (25, 741605), (83, 223375), (125, 148321), (415, 44675), (1787, 10375), (2075, 8935)]