40690640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2663}}^1$

素因数の和:2867

約数の個数: 40

約数和(自身を含む): 95136768

約数和(自身を除く): 54446128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2663, 3056, 3820, 5326, 7640, 10652, 13315, 15280, 21304, 26630, 42608, 53260, 106520, 213040, 508633, 1017266, 2034532, 2543165, 4069064, 5086330, 8138128, 10172660, 20345320, 40690640]

約数ペア:

[(1, 40690640), (2, 20345320), (4, 10172660), (5, 8138128), (8, 5086330), (10, 4069064), (16, 2543165), (20, 2034532), (40, 1017266), (80, 508633), (191, 213040), (382, 106520), (764, 53260), (955, 42608), (1528, 26630), (1910, 21304), (2663, 15280), (3056, 13315), (3820, 10652), (5326, 7640)]