8045556440

素因数分解:

$2^3\times 5^1\times {\mathrm{201138911}}^1$

素因数の和:201138922

約数の個数: 16

約数和(自身を含む): 18102502080

約数和(自身を除く): 10056945640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 201138911, 402277822, 804555644, 1005694555, 1609111288, 2011389110, 4022778220, 8045556440]

約数ペア:

[(1, 8045556440), (2, 4022778220), (4, 2011389110), (5, 1609111288), (8, 1005694555), (10, 804555644), (20, 402277822), (40, 201138911)]