5638000

素因数分解:

$2^4\times 5^3\times {\mathrm{2819}}^1$

素因数の和:2842

約数の個数: 40

約数和(自身を含む): 13637520

約数和(自身を除く): 7999520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2819, 5638, 11276, 14095, 22552, 28190, 45104, 56380, 70475, 112760, 140950, 225520, 281900, 352375, 563800, 704750, 1127600, 1409500, 2819000, 5638000]

約数ペア:

[(1, 5638000), (2, 2819000), (4, 1409500), (5, 1127600), (8, 704750), (10, 563800), (16, 352375), (20, 281900), (25, 225520), (40, 140950), (50, 112760), (80, 70475), (100, 56380), (125, 45104), (200, 28190), (250, 22552), (400, 14095), (500, 11276), (1000, 5638), (2000, 2819)]