205609825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2089}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 265379840

約数和(自身を除く): 59770015

約数列:

[1, 5, 25, 31, 127, 155, 635, 775, 2089, 3175, 3937, 10445, 19685, 52225, 64759, 98425, 265303, 323795, 1326515, 1618975, 6632575, 8224393, 41121965, 205609825]

約数ペア:

[(1, 205609825), (5, 41121965), (25, 8224393), (31, 6632575), (127, 1618975), (155, 1326515), (635, 323795), (775, 265303), (2089, 98425), (3175, 64759), (3937, 52225), (10445, 19685)]