7920516880

素因数分解:

$2^4\times 5^1\times {\mathrm{99006461}}^1$

素因数の和:99006474

約数の個数: 20

約数和(自身を含む): 18415201932

約数和(自身を除く): 10494685052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99006461, 198012922, 396025844, 495032305, 792051688, 990064610, 1584103376, 1980129220, 3960258440, 7920516880]

約数ペア:

[(1, 7920516880), (2, 3960258440), (4, 1980129220), (5, 1584103376), (8, 990064610), (10, 792051688), (16, 495032305), (20, 396025844), (40, 198012922), (80, 99006461)]