1091008040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{634307}}^1$

素因数の和:634361

約数の個数: 32

約数和(自身を含む): 2511859680

約数和(自身を除く): 1420851640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 634307, 1268614, 2537228, 3171535, 5074456, 6343070, 12686140, 25372280, 27275201, 54550402, 109100804, 136376005, 218201608, 272752010, 545504020, 1091008040]

約数ペア:

[(1, 1091008040), (2, 545504020), (4, 272752010), (5, 218201608), (8, 136376005), (10, 109100804), (20, 54550402), (40, 27275201), (43, 25372280), (86, 12686140), (172, 6343070), (215, 5074456), (344, 3171535), (430, 2537228), (860, 1268614), (1720, 634307)]