28718690960

素因数分解:

$2^4\times 5^1\times {\mathrm{358983637}}^1$

素因数の和:358983650

約数の個数: 20

約数和(自身を含む): 66770956668

約数和(自身を除く): 38052265708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358983637, 717967274, 1435934548, 1794918185, 2871869096, 3589836370, 5743738192, 7179672740, 14359345480, 28718690960]

約数ペア:

[(1, 28718690960), (2, 14359345480), (4, 7179672740), (5, 5743738192), (8, 3589836370), (10, 2871869096), (16, 1794918185), (20, 1435934548), (40, 717967274), (80, 358983637)]