11721640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41863}}^1$

素因数の和:41881

約数の個数: 32

約数和(自身を含む): 30142080

約数和(自身を除く): 18420440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 41863, 83726, 167452, 209315, 293041, 334904, 418630, 586082, 837260, 1172164, 1465205, 1674520, 2344328, 2930410, 5860820, 11721640]

約数ペア:

[(1, 11721640), (2, 5860820), (4, 2930410), (5, 2344328), (7, 1674520), (8, 1465205), (10, 1172164), (14, 837260), (20, 586082), (28, 418630), (35, 334904), (40, 293041), (56, 209315), (70, 167452), (140, 83726), (280, 41863)]