9986000

素因数分解:

$2^4\times 5^3\times {\mathrm{4993}}^1$

素因数の和:5016

約数の個数: 40

約数和(自身を含む): 24150984

約数和(自身を除く): 14164984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 124825, 199720, 249650, 399440, 499300, 624125, 998600, 1248250, 1997200, 2496500, 4993000, 9986000]

約数ペア:

[(1, 9986000), (2, 4993000), (4, 2496500), (5, 1997200), (8, 1248250), (10, 998600), (16, 624125), (20, 499300), (25, 399440), (40, 249650), (50, 199720), (80, 124825), (100, 99860), (125, 79888), (200, 49930), (250, 39944), (400, 24965), (500, 19972), (1000, 9986), (2000, 4993)]