28255000

素因数分解:

$2^3\times 5^4\times {\mathrm{5651}}^1$

素因数の和:5677

約数の個数: 40

約数和(自身を含む): 66213180

約数和(自身を除く): 37958180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5651, 11302, 22604, 28255, 45208, 56510, 113020, 141275, 226040, 282550, 565100, 706375, 1130200, 1412750, 2825500, 3531875, 5651000, 7063750, 14127500, 28255000]

約数ペア:

[(1, 28255000), (2, 14127500), (4, 7063750), (5, 5651000), (8, 3531875), (10, 2825500), (20, 1412750), (25, 1130200), (40, 706375), (50, 565100), (100, 282550), (125, 226040), (200, 141275), (250, 113020), (500, 56510), (625, 45208), (1000, 28255), (1250, 22604), (2500, 11302), (5000, 5651)]