2040495440

素因数分解:

$2^4\times 5^1\times {\mathrm{25506193}}^1$

素因数の和:25506206

約数の個数: 20

約数和(自身を含む): 4744152084

約数和(自身を除く): 2703656644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25506193, 51012386, 102024772, 127530965, 204049544, 255061930, 408099088, 510123860, 1020247720, 2040495440]

約数ペア:

[(1, 2040495440), (2, 1020247720), (4, 510123860), (5, 408099088), (8, 255061930), (10, 204049544), (16, 127530965), (20, 102024772), (40, 51012386), (80, 25506193)]