16810525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 21824000

約数和(自身を除く): 5013475

約数列:

[1, 5, 25, 31, 109, 155, 199, 545, 775, 995, 2725, 3379, 4975, 6169, 16895, 21691, 30845, 84475, 108455, 154225, 542275, 672421, 3362105, 16810525]

約数ペア:

[(1, 16810525), (5, 3362105), (25, 672421), (31, 542275), (109, 154225), (155, 108455), (199, 84475), (545, 30845), (775, 21691), (995, 16895), (2725, 6169), (3379, 4975)]