64657025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{4889}}^1$

素因数の和:4945

約数の個数: 18

約数和(自身を含む): 83829270

約数和(自身を除く): 19172245

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 4889, 13225, 24445, 112447, 122225, 562235, 2586281, 2811175, 12931405, 64657025]

約数ペア:

[(1, 64657025), (5, 12931405), (23, 2811175), (25, 2586281), (115, 562235), (529, 122225), (575, 112447), (2645, 24445), (4889, 13225)]