201363125

素因数分解:

$5^4\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1838

約数の個数: 20

約数和(自身を含む): 253044000

約数和(自身を除く): 51680875

約数列:

[1, 5, 25, 125, 199, 625, 995, 1619, 4975, 8095, 24875, 40475, 124375, 202375, 322181, 1011875, 1610905, 8054525, 40272625, 201363125]

約数ペア:

[(1, 201363125), (5, 40272625), (25, 8054525), (125, 1610905), (199, 1011875), (625, 322181), (995, 202375), (1619, 124375), (4975, 40475), (8095, 24875)]