247101875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{9643}}^1$

素因数の和:9704

約数の個数: 20

約数和(自身を含む): 316342488

約数和(自身を除く): 69240613

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 5125, 9643, 25625, 48215, 241075, 395363, 1205375, 1976815, 6026875, 9884075, 49420375, 247101875]

約数ペア:

[(1, 247101875), (5, 49420375), (25, 9884075), (41, 6026875), (125, 1976815), (205, 1205375), (625, 395363), (1025, 241075), (5125, 48215), (9643, 25625)]