2008311920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{230311}}^1$

素因数の和:230433

約数の個数: 40

約数和(自身を含む): 4712183520

約数和(自身を除く): 2703871600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 230311, 460622, 921244, 1151555, 1842488, 2303110, 3684976, 4606220, 9212440, 18424880, 25103899, 50207798, 100415596, 125519495, 200831192, 251038990, 401662384, 502077980, 1004155960, 2008311920]

約数ペア:

[(1, 2008311920), (2, 1004155960), (4, 502077980), (5, 401662384), (8, 251038990), (10, 200831192), (16, 125519495), (20, 100415596), (40, 50207798), (80, 25103899), (109, 18424880), (218, 9212440), (436, 4606220), (545, 3684976), (872, 2303110), (1090, 1842488), (1744, 1151555), (2180, 921244), (4360, 460622), (8720, 230311)]