2582780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 5488560

約数和(自身を除く): 2905780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1451, 1780, 2902, 5804, 7255, 14510, 29020, 129139, 258278, 516556, 645695, 1291390, 2582780]

約数ペア:

[(1, 2582780), (2, 1291390), (4, 645695), (5, 516556), (10, 258278), (20, 129139), (89, 29020), (178, 14510), (356, 7255), (445, 5804), (890, 2902), (1451, 1780)]