7726220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5441}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 16456608

約数和(自身を除く): 8730388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5441, 10882, 21764, 27205, 54410, 108820, 386311, 772622, 1545244, 1931555, 3863110, 7726220]

約数ペア:

[(1, 7726220), (2, 3863110), (4, 1931555), (5, 1545244), (10, 772622), (20, 386311), (71, 108820), (142, 54410), (284, 27205), (355, 21764), (710, 10882), (1420, 5441)]