4007780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28627}}^1$

素因数の和:28643

約数の個数: 24

約数和(自身を含む): 9619008

約数和(自身を除く): 5611228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28627, 57254, 114508, 143135, 200389, 286270, 400778, 572540, 801556, 1001945, 2003890, 4007780]

約数ペア:

[(1, 4007780), (2, 2003890), (4, 1001945), (5, 801556), (7, 572540), (10, 400778), (14, 286270), (20, 200389), (28, 143135), (35, 114508), (70, 57254), (140, 28627)]