27205625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 37488000

約数和(自身を除く): 10282375

約数列:

[1, 5, 19, 25, 29, 79, 95, 125, 145, 395, 475, 551, 625, 725, 1501, 1975, 2291, 2375, 2755, 3625, 7505, 9875, 11455, 11875, 13775, 18125, 37525, 43529, 49375, 57275, 68875, 187625, 217645, 286375, 344375, 938125, 1088225, 1431875, 5441125, 27205625]

約数ペア:

[(1, 27205625), (5, 5441125), (19, 1431875), (25, 1088225), (29, 938125), (79, 344375), (95, 286375), (125, 217645), (145, 187625), (395, 68875), (475, 57275), (551, 49375), (625, 43529), (725, 37525), (1501, 18125), (1975, 13775), (2291, 11875), (2375, 11455), (2755, 9875), (3625, 7505)]