3968060

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 8383200

約数和(自身を除く): 4415140

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 997, 1990, 1994, 3980, 3988, 4985, 9970, 19940, 198403, 396806, 793612, 992015, 1984030, 3968060]

約数ペア:

[(1, 3968060), (2, 1984030), (4, 992015), (5, 793612), (10, 396806), (20, 198403), (199, 19940), (398, 9970), (796, 4985), (995, 3988), (997, 3980), (1990, 1994)]