7936120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 17964000

約数和(自身を除く): 10027880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 997, 1592, 1990, 1994, 3980, 3988, 4985, 7960, 7976, 9970, 19940, 39880, 198403, 396806, 793612, 992015, 1587224, 1984030, 3968060, 7936120]

約数ペア:

[(1, 7936120), (2, 3968060), (4, 1984030), (5, 1587224), (8, 992015), (10, 793612), (20, 396806), (40, 198403), (199, 39880), (398, 19940), (796, 9970), (995, 7976), (997, 7960), (1592, 4985), (1990, 3988), (1994, 3980)]