199202320

素因数分解:

$2^4\times 5^1\times {\mathrm{2490029}}^1$

素因数の和:2490042

約数の個数: 20

約数和(自身を含む): 463145580

約数和(自身を除く): 263943260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2490029, 4980058, 9960116, 12450145, 19920232, 24900290, 39840464, 49800580, 99601160, 199202320]

約数ペア:

[(1, 199202320), (2, 99601160), (4, 49800580), (5, 39840464), (8, 24900290), (10, 19920232), (16, 12450145), (20, 9960116), (40, 4980058), (80, 2490029)]