4451120

素因数分解:

$2^4\times 5^1\times {\mathrm{55639}}^1$

素因数の和:55652

約数の個数: 20

約数和(自身を含む): 10349040

約数和(自身を除く): 5897920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55639, 111278, 222556, 278195, 445112, 556390, 890224, 1112780, 2225560, 4451120]

約数ペア:

[(1, 4451120), (2, 2225560), (4, 1112780), (5, 890224), (8, 556390), (10, 445112), (16, 278195), (20, 222556), (40, 111278), (80, 55639)]