2665225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 3610880

約数和(自身を除く): 945655

約数列:

[1, 5, 19, 25, 31, 95, 155, 181, 475, 589, 775, 905, 2945, 3439, 4525, 5611, 14725, 17195, 28055, 85975, 106609, 140275, 533045, 2665225]

約数ペア:

[(1, 2665225), (5, 533045), (19, 140275), (25, 106609), (31, 85975), (95, 28055), (155, 17195), (181, 14725), (475, 5611), (589, 4525), (775, 3439), (905, 2945)]