18064600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 43044120

約数和(自身を除く): 24979520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2203, 4100, 4406, 8200, 8812, 11015, 17624, 22030, 44060, 55075, 88120, 90323, 110150, 180646, 220300, 361292, 440600, 451615, 722584, 903230, 1806460, 2258075, 3612920, 4516150, 9032300, 18064600]

約数ペア:

[(1, 18064600), (2, 9032300), (4, 4516150), (5, 3612920), (8, 2258075), (10, 1806460), (20, 903230), (25, 722584), (40, 451615), (41, 440600), (50, 361292), (82, 220300), (100, 180646), (164, 110150), (200, 90323), (205, 88120), (328, 55075), (410, 44060), (820, 22030), (1025, 17624), (1640, 11015), (2050, 8812), (2203, 8200), (4100, 4406)]