2018131025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{15551}}^1$

素因数の和:15769

約数の個数: 24

約数和(自身を含む): 2603404800

約数和(自身を除く): 585273775

約数列:

[1, 5, 25, 29, 145, 179, 725, 895, 4475, 5191, 15551, 25955, 77755, 129775, 388775, 450979, 2254895, 2783629, 11274475, 13918145, 69590725, 80725241, 403626205, 2018131025]

約数ペア:

[(1, 2018131025), (5, 403626205), (25, 80725241), (29, 69590725), (145, 13918145), (179, 11274475), (725, 2783629), (895, 2254895), (4475, 450979), (5191, 388775), (15551, 129775), (25955, 77755)]