799245520

素因数分解:

$2^4\times 5^1\times {\mathrm{9990569}}^1$

素因数の和:9990582

約数の個数: 20

約数和(自身を含む): 1858246020

約数和(自身を除く): 1059000500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9990569, 19981138, 39962276, 49952845, 79924552, 99905690, 159849104, 199811380, 399622760, 799245520]

約数ペア:

[(1, 799245520), (2, 399622760), (4, 199811380), (5, 159849104), (8, 99905690), (10, 79924552), (16, 49952845), (20, 39962276), (40, 19981138), (80, 9990569)]