4398125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 20

約数和(自身を含む): 5698176

約数和(自身を除く): 1300051

約数列:

[1, 5, 25, 31, 125, 155, 227, 625, 775, 1135, 3875, 5675, 7037, 19375, 28375, 35185, 141875, 175925, 879625, 4398125]

約数ペア:

[(1, 4398125), (5, 879625), (25, 175925), (31, 141875), (125, 35185), (155, 28375), (227, 19375), (625, 7037), (775, 5675), (1135, 3875)]