2550740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1433}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 5420520

約数和(自身を除く): 2869780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1433, 1780, 2866, 5732, 7165, 14330, 28660, 127537, 255074, 510148, 637685, 1275370, 2550740]

約数ペア:

[(1, 2550740), (2, 1275370), (4, 637685), (5, 510148), (10, 255074), (20, 127537), (89, 28660), (178, 14330), (356, 7165), (445, 5732), (890, 2866), (1433, 1780)]