7939832020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5591431}}^1$

素因数の和:5591511

約数の個数: 24

約数和(自身を含む): 16908490368

約数和(自身を除く): 8968658348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5591431, 11182862, 22365724, 27957155, 55914310, 111828620, 396991601, 793983202, 1587966404, 1984958005, 3969916010, 7939832020]

約数ペア:

[(1, 7939832020), (2, 3969916010), (4, 1984958005), (5, 1587966404), (10, 793983202), (20, 396991601), (71, 111828620), (142, 55914310), (284, 27957155), (355, 22365724), (710, 11182862), (1420, 5591431)]