2400905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 3178560

約数和(自身を除く): 777655

約数列:

[1, 5, 13, 43, 65, 215, 559, 859, 2795, 4295, 11167, 36937, 55835, 184685, 480181, 2400905]

約数ペア:

[(1, 2400905), (5, 480181), (13, 184685), (43, 55835), (65, 36937), (215, 11167), (559, 4295), (859, 2795)]