51043760

素因数分解:

$2^4\times 5^1\times {\mathrm{638047}}^1$

素因数の和:638060

約数の個数: 20

約数和(自身を含む): 118676928

約数和(自身を除く): 67633168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638047, 1276094, 2552188, 3190235, 5104376, 6380470, 10208752, 12760940, 25521880, 51043760]

約数ペア:

[(1, 51043760), (2, 25521880), (4, 12760940), (5, 10208752), (8, 6380470), (10, 5104376), (16, 3190235), (20, 2552188), (40, 1276094), (80, 638047)]