2017791640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2654989}}^1$

素因数の和:2655019

約数の個数: 32

約数和(自身を含む): 4778982000

約数和(自身を除く): 2761190360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2654989, 5309978, 10619956, 13274945, 21239912, 26549890, 50444791, 53099780, 100889582, 106199560, 201779164, 252223955, 403558328, 504447910, 1008895820, 2017791640]

約数ペア:

[(1, 2017791640), (2, 1008895820), (4, 504447910), (5, 403558328), (8, 252223955), (10, 201779164), (19, 106199560), (20, 100889582), (38, 53099780), (40, 50444791), (76, 26549890), (95, 21239912), (152, 13274945), (190, 10619956), (380, 5309978), (760, 2654989)]