11640080

素因数分解:

$2^4\times 5^1\times {\mathrm{145501}}^1$

素因数の和:145514

約数の個数: 20

約数和(自身を含む): 27063372

約数和(自身を除く): 15423292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145501, 291002, 582004, 727505, 1164008, 1455010, 2328016, 2910020, 5820040, 11640080]

約数ペア:

[(1, 11640080), (2, 5820040), (4, 2910020), (5, 2328016), (8, 1455010), (10, 1164008), (16, 727505), (20, 582004), (40, 291002), (80, 145501)]