56510000

素因数分解:

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

素因数の和:5679

約数の個数: 50

約数和(自身を含む): 136840572

約数和(自身を除く): 80330572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5651, 10000, 11302, 22604, 28255, 45208, 56510, 90416, 113020, 141275, 226040, 282550, 452080, 565100, 706375, 1130200, 1412750, 2260400, 2825500, 3531875, 5651000, 7063750, 11302000, 14127500, 28255000, 56510000]

約数ペア:

[(1, 56510000), (2, 28255000), (4, 14127500), (5, 11302000), (8, 7063750), (10, 5651000), (16, 3531875), (20, 2825500), (25, 2260400), (40, 1412750), (50, 1130200), (80, 706375), (100, 565100), (125, 452080), (200, 282550), (250, 226040), (400, 141275), (500, 113020), (625, 90416), (1000, 56510), (1250, 45208), (2000, 28255), (2500, 22604), (5000, 11302), (5651, 10000)]