8641009280

素因数分解:

$2^7\times 5^1\times {\mathrm{13501577}}^1$

素因数の和:13501596

約数の個数: 32

約数和(自身を含む): 20657414340

約数和(自身を除く): 12016405060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13501577, 27003154, 54006308, 67507885, 108012616, 135015770, 216025232, 270031540, 432050464, 540063080, 864100928, 1080126160, 1728201856, 2160252320, 4320504640, 8641009280]

約数ペア:

[(1, 8641009280), (2, 4320504640), (4, 2160252320), (5, 1728201856), (8, 1080126160), (10, 864100928), (16, 540063080), (20, 432050464), (32, 270031540), (40, 216025232), (64, 135015770), (80, 108012616), (128, 67507885), (160, 54006308), (320, 27003154), (640, 13501577)]