9920150

素因数分解:

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

素因数の和:1208

約数の個数: 24

約数和(自身を含む): 18562800

約数和(自身を除く): 8642650

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 997, 1990, 1994, 4975, 4985, 9950, 9970, 24925, 49850, 198403, 396806, 992015, 1984030, 4960075, 9920150]

約数ペア:

[(1, 9920150), (2, 4960075), (5, 1984030), (10, 992015), (25, 396806), (50, 198403), (199, 49850), (398, 24925), (995, 9970), (997, 9950), (1990, 4985), (1994, 4975)]