2540528080

素因数分解:

$2^4\times 5^1\times {\mathrm{31756601}}^1$

素因数の和:31756614

約数の個数: 20

約数和(自身を含む): 5906727972

約数和(自身を除く): 3366199892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31756601, 63513202, 127026404, 158783005, 254052808, 317566010, 508105616, 635132020, 1270264040, 2540528080]

約数ペア:

[(1, 2540528080), (2, 1270264040), (4, 635132020), (5, 508105616), (8, 317566010), (10, 254052808), (16, 158783005), (20, 127026404), (40, 63513202), (80, 31756601)]