8894000

素因数分解:

$2^4\times 5^3\times {\mathrm{4447}}^1$

素因数の和:4470

約数の個数: 40

約数和(自身を含む): 21510528

約数和(自身を除く): 12616528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4447, 8894, 17788, 22235, 35576, 44470, 71152, 88940, 111175, 177880, 222350, 355760, 444700, 555875, 889400, 1111750, 1778800, 2223500, 4447000, 8894000]

約数ペア:

[(1, 8894000), (2, 4447000), (4, 2223500), (5, 1778800), (8, 1111750), (10, 889400), (16, 555875), (20, 444700), (25, 355760), (40, 222350), (50, 177880), (80, 111175), (100, 88940), (125, 71152), (200, 44470), (250, 35576), (400, 22235), (500, 17788), (1000, 8894), (2000, 4447)]