39944000

素因数分解:

$2^6\times 5^3\times {\mathrm{4993}}^1$

素因数の和:5020

約数の個数: 56

約数和(自身を含む): 98941128

約数和(自身を除く): 58997128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 4993, 8000, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 124825, 159776, 199720, 249650, 319552, 399440, 499300, 624125, 798880, 998600, 1248250, 1597760, 1997200, 2496500, 3994400, 4993000, 7988800, 9986000, 19972000, 39944000]

約数ペア:

[(1, 39944000), (2, 19972000), (4, 9986000), (5, 7988800), (8, 4993000), (10, 3994400), (16, 2496500), (20, 1997200), (25, 1597760), (32, 1248250), (40, 998600), (50, 798880), (64, 624125), (80, 499300), (100, 399440), (125, 319552), (160, 249650), (200, 199720), (250, 159776), (320, 124825), (400, 99860), (500, 79888), (800, 49930), (1000, 39944), (1600, 24965), (2000, 19972), (4000, 9986), (4993, 8000)]