99778975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2659}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 131936000

約数和(自身を除く): 32157025

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 2659, 7505, 13295, 37525, 50521, 66475, 210061, 252605, 1050305, 1263025, 3991159, 5251525, 19955795, 99778975]

約数ペア:

[(1, 99778975), (5, 19955795), (19, 5251525), (25, 3991159), (79, 1263025), (95, 1050305), (395, 252605), (475, 210061), (1501, 66475), (1975, 50521), (2659, 37525), (7505, 13295)]