85943125

素因数分解:

$5^4\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:910

約数の個数: 20

約数和(自身を含む): 108090400

約数和(自身を除く): 22147275

約数列:

[1, 5, 25, 125, 199, 625, 691, 995, 3455, 4975, 17275, 24875, 86375, 124375, 137509, 431875, 687545, 3437725, 17188625, 85943125]

約数ペア:

[(1, 85943125), (5, 17188625), (25, 3437725), (125, 687545), (199, 431875), (625, 137509), (691, 124375), (995, 86375), (3455, 24875), (4975, 17275)]