8216980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17863}}^1$

素因数の和:17895

約数の個数: 24

約数和(自身を含む): 18006912

約数和(自身を除く): 9789932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 17863, 35726, 71452, 89315, 178630, 357260, 410849, 821698, 1643396, 2054245, 4108490, 8216980]

約数ペア:

[(1, 8216980), (2, 4108490), (4, 2054245), (5, 1643396), (10, 821698), (20, 410849), (23, 357260), (46, 178630), (92, 89315), (115, 71452), (230, 35726), (460, 17863)]