27906040

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1999}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 63000000

約数和(自身を除く): 35093960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 1999, 2792, 3490, 3998, 6980, 7996, 9995, 13960, 15992, 19990, 39980, 79960, 697651, 1395302, 2790604, 3488255, 5581208, 6976510, 13953020, 27906040]

約数ペア:

[(1, 27906040), (2, 13953020), (4, 6976510), (5, 5581208), (8, 3488255), (10, 2790604), (20, 1395302), (40, 697651), (349, 79960), (698, 39980), (1396, 19990), (1745, 15992), (1999, 13960), (2792, 9995), (3490, 7996), (3998, 6980)]