2019384025

素因数分解:

$5^2\times {\mathrm{179}}^2\times {\mathrm{2521}}^1$

素因数の和:2889

約数の個数: 18

約数和(自身を含む): 2519102222

約数和(自身を除く): 499718197

約数列:

[1, 5, 25, 179, 895, 2521, 4475, 12605, 32041, 63025, 160205, 451259, 801025, 2256295, 11281475, 80775361, 403876805, 2019384025]

約数ペア:

[(1, 2019384025), (5, 403876805), (25, 80775361), (179, 11281475), (895, 2256295), (2521, 801025), (4475, 451259), (12605, 160205), (32041, 63025)]