7731875

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 20

約数和(自身を含む): 9840600

約数和(自身を除く): 2108725

約数列:

[1, 5, 25, 89, 125, 139, 445, 625, 695, 2225, 3475, 11125, 12371, 17375, 55625, 61855, 86875, 309275, 1546375, 7731875]

約数ペア:

[(1, 7731875), (5, 1546375), (25, 309275), (89, 86875), (125, 61855), (139, 55625), (445, 17375), (625, 12371), (695, 11125), (2225, 3475)]