56771600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 60

約数和(自身を含む): 138384000

約数和(自身を除く): 81612400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 1999, 2840, 3550, 3998, 5680, 7100, 7996, 9995, 14200, 15992, 19990, 28400, 31984, 39980, 49975, 79960, 99950, 141929, 159920, 199900, 283858, 399800, 567716, 709645, 799600, 1135432, 1419290, 2270864, 2838580, 3548225, 5677160, 7096450, 11354320, 14192900, 28385800, 56771600]

約数ペア:

[(1, 56771600), (2, 28385800), (4, 14192900), (5, 11354320), (8, 7096450), (10, 5677160), (16, 3548225), (20, 2838580), (25, 2270864), (40, 1419290), (50, 1135432), (71, 799600), (80, 709645), (100, 567716), (142, 399800), (200, 283858), (284, 199900), (355, 159920), (400, 141929), (568, 99950), (710, 79960), (1136, 49975), (1420, 39980), (1775, 31984), (1999, 28400), (2840, 19990), (3550, 15992), (3998, 14200), (5680, 9995), (7100, 7996)]