4451080

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 10080000

約数和(自身を除く): 5628920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 499, 892, 998, 1115, 1784, 1996, 2230, 2495, 3992, 4460, 4990, 8920, 9980, 19960, 111277, 222554, 445108, 556385, 890216, 1112770, 2225540, 4451080]

約数ペア:

[(1, 4451080), (2, 2225540), (4, 1112770), (5, 890216), (8, 556385), (10, 445108), (20, 222554), (40, 111277), (223, 19960), (446, 9980), (499, 8920), (892, 4990), (998, 4460), (1115, 3992), (1784, 2495), (1996, 2230)]