66123125

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{2251}}^1$

素因数の和:2318

約数の個数: 20

約数和(自身を含む): 84422976

約数和(自身を除く): 18299851

約数列:

[1, 5, 25, 47, 125, 235, 625, 1175, 2251, 5875, 11255, 29375, 56275, 105797, 281375, 528985, 1406875, 2644925, 13224625, 66123125]

約数ペア:

[(1, 66123125), (5, 13224625), (25, 2644925), (47, 1406875), (125, 528985), (235, 281375), (625, 105797), (1175, 56275), (2251, 29375), (5875, 11255)]