90722000

素因数分解:

$2^4\times 5^3\times {\mathrm{45361}}^1$

素因数の和:45384

約数の個数: 40

約数和(自身を含む): 219370632

約数和(自身を除く): 128648632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 45361, 90722, 181444, 226805, 362888, 453610, 725776, 907220, 1134025, 1814440, 2268050, 3628880, 4536100, 5670125, 9072200, 11340250, 18144400, 22680500, 45361000, 90722000]

約数ペア:

[(1, 90722000), (2, 45361000), (4, 22680500), (5, 18144400), (8, 11340250), (10, 9072200), (16, 5670125), (20, 4536100), (25, 3628880), (40, 2268050), (50, 1814440), (80, 1134025), (100, 907220), (125, 725776), (200, 453610), (250, 362888), (400, 226805), (500, 181444), (1000, 90722), (2000, 45361)]