210054025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2713}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 275959520

約数和(自身を除く): 65905495

約数列:

[1, 5, 19, 25, 95, 163, 475, 815, 2713, 3097, 4075, 13565, 15485, 51547, 67825, 77425, 257735, 442219, 1288675, 2211095, 8402161, 11055475, 42010805, 210054025]

約数ペア:

[(1, 210054025), (5, 42010805), (19, 11055475), (25, 8402161), (95, 2211095), (163, 1288675), (475, 442219), (815, 257735), (2713, 77425), (3097, 67825), (4075, 51547), (13565, 15485)]