16556000

素因数分解:

$2^5\times 5^3\times {\mathrm{4139}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 40687920

約数和(自身を除く): 24131920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4139, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 103475, 132448, 165560, 206950, 331120, 413900, 517375, 662240, 827800, 1034750, 1655600, 2069500, 3311200, 4139000, 8278000, 16556000]

約数ペア:

[(1, 16556000), (2, 8278000), (4, 4139000), (5, 3311200), (8, 2069500), (10, 1655600), (16, 1034750), (20, 827800), (25, 662240), (32, 517375), (40, 413900), (50, 331120), (80, 206950), (100, 165560), (125, 132448), (160, 103475), (200, 82780), (250, 66224), (400, 41390), (500, 33112), (800, 20695), (1000, 16556), (2000, 8278), (4000, 4139)]