1380511025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61837}}^1$

素因数の和:61913

約数の個数: 24

約数和(自身を含む): 1840298880

約数和(自身を除く): 459787855

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 4465, 22325, 61837, 309185, 1174903, 1545925, 2906339, 5874515, 14531695, 29372575, 55220441, 72658475, 276102205, 1380511025]

約数ペア:

[(1, 1380511025), (5, 276102205), (19, 72658475), (25, 55220441), (47, 29372575), (95, 14531695), (235, 5874515), (475, 2906339), (893, 1545925), (1175, 1174903), (4465, 309185), (22325, 61837)]