11520040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41143}}^1$

素因数の和:41161

約数の個数: 32

約数和(自身を含む): 29623680

約数和(自身を除く): 18103640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 41143, 82286, 164572, 205715, 288001, 329144, 411430, 576002, 822860, 1152004, 1440005, 1645720, 2304008, 2880010, 5760020, 11520040]

約数ペア:

[(1, 11520040), (2, 5760020), (4, 2880010), (5, 2304008), (7, 1645720), (8, 1440005), (10, 1152004), (14, 822860), (20, 576002), (28, 411430), (35, 329144), (40, 288001), (56, 205715), (70, 164572), (140, 82286), (280, 41143)]