556357540

素因数分解:

$2^2\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{10939}}^1$

素因数の和:13491

約数の個数: 24

約数和(自身を含む): 1168917120

約数和(自身を除く): 612559580

約数列:

[1, 2, 4, 5, 10, 20, 2543, 5086, 10172, 10939, 12715, 21878, 25430, 43756, 50860, 54695, 109390, 218780, 27817877, 55635754, 111271508, 139089385, 278178770, 556357540]

約数ペア:

[(1, 556357540), (2, 278178770), (4, 139089385), (5, 111271508), (10, 55635754), (20, 27817877), (2543, 218780), (5086, 109390), (10172, 54695), (10939, 50860), (12715, 43756), (21878, 25430)]