199065520

素因数分解:

$2^4\times 5^1\times {\mathrm{2488319}}^1$

素因数の和:2488332

約数の個数: 20

約数和(自身を含む): 462827520

約数和(自身を除く): 263762000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2488319, 4976638, 9953276, 12441595, 19906552, 24883190, 39813104, 49766380, 99532760, 199065520]

約数ペア:

[(1, 199065520), (2, 99532760), (4, 49766380), (5, 39813104), (8, 24883190), (10, 19906552), (16, 12441595), (20, 9953276), (40, 4976638), (80, 2488319)]