28243760

素因数分解:

$2^4\times 5^1\times {\mathrm{353047}}^1$

素因数の和:353060

約数の個数: 20

約数和(自身を含む): 65666928

約数和(自身を除く): 37423168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353047, 706094, 1412188, 1765235, 2824376, 3530470, 5648752, 7060940, 14121880, 28243760]

約数ペア:

[(1, 28243760), (2, 14121880), (4, 7060940), (5, 5648752), (8, 3530470), (10, 2824376), (16, 1765235), (20, 1412188), (40, 706094), (80, 353047)]