25257500

素因数分解:

$2^2\times 5^4\times {\mathrm{10103}}^1$

素因数の和:10127

約数の個数: 30

約数和(自身を含む): 55238568

約数和(自身を除く): 29981068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 10103, 20206, 40412, 50515, 101030, 202060, 252575, 505150, 1010300, 1262875, 2525750, 5051500, 6314375, 12628750, 25257500]

約数ペア:

[(1, 25257500), (2, 12628750), (4, 6314375), (5, 5051500), (10, 2525750), (20, 1262875), (25, 1010300), (50, 505150), (100, 252575), (125, 202060), (250, 101030), (500, 50515), (625, 40412), (1250, 20206), (2500, 10103)]