18804400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:958

約数の個数: 60

約数和(自身を含む): 46081872

約数和(自身を除く): 27277472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 887, 1060, 1325, 1774, 2120, 2650, 3548, 4240, 4435, 5300, 7096, 8870, 10600, 14192, 17740, 21200, 22175, 35480, 44350, 47011, 70960, 88700, 94022, 177400, 188044, 235055, 354800, 376088, 470110, 752176, 940220, 1175275, 1880440, 2350550, 3760880, 4701100, 9402200, 18804400]

約数ペア:

[(1, 18804400), (2, 9402200), (4, 4701100), (5, 3760880), (8, 2350550), (10, 1880440), (16, 1175275), (20, 940220), (25, 752176), (40, 470110), (50, 376088), (53, 354800), (80, 235055), (100, 188044), (106, 177400), (200, 94022), (212, 88700), (265, 70960), (400, 47011), (424, 44350), (530, 35480), (848, 22175), (887, 21200), (1060, 17740), (1325, 14192), (1774, 10600), (2120, 8870), (2650, 7096), (3548, 5300), (4240, 4435)]