319202320

素因数分解:

$2^4\times 5^1\times {\mathrm{3990029}}^1$

素因数の和:3990042

約数の個数: 20

約数和(自身を含む): 742145580

約数和(自身を除く): 422943260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3990029, 7980058, 15960116, 19950145, 31920232, 39900290, 63840464, 79800580, 159601160, 319202320]

約数ペア:

[(1, 319202320), (2, 159601160), (4, 79800580), (5, 63840464), (8, 39900290), (10, 31920232), (16, 19950145), (20, 15960116), (40, 7980058), (80, 3990029)]