7948060

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 16783200

約数和(自身を除く): 8835140

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 1997, 3980, 3994, 7988, 9985, 19970, 39940, 397403, 794806, 1589612, 1987015, 3974030, 7948060]

約数ペア:

[(1, 7948060), (2, 3974030), (4, 1987015), (5, 1589612), (10, 794806), (20, 397403), (199, 39940), (398, 19970), (796, 9985), (995, 7988), (1990, 3994), (1997, 3980)]