208022405

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{5113}}^1$

素因数の和:5300

約数の個数: 16

約数和(自身を含む): 255290880

約数和(自身を除く): 47268475

約数列:

[1, 5, 79, 103, 395, 515, 5113, 8137, 25565, 40685, 403927, 526639, 2019635, 2633195, 41604481, 208022405]

約数ペア:

[(1, 208022405), (5, 41604481), (79, 2633195), (103, 2019635), (395, 526639), (515, 403927), (5113, 40685), (8137, 25565)]