665600960

素因数分解:

$2^6\times 5^1\times {\mathrm{2080003}}^1$

素因数の和:2080020

約数の個数: 28

約数和(自身を含む): 1584963048

約数和(自身を除く): 919362088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2080003, 4160006, 8320012, 10400015, 16640024, 20800030, 33280048, 41600060, 66560096, 83200120, 133120192, 166400240, 332800480, 665600960]

約数ペア:

[(1, 665600960), (2, 332800480), (4, 166400240), (5, 133120192), (8, 83200120), (10, 66560096), (16, 41600060), (20, 33280048), (32, 20800030), (40, 16640024), (64, 10400015), (80, 8320012), (160, 4160006), (320, 2080003)]