80694440

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2153}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 181840680

約数和(自身を除く): 101146240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1874, 2153, 3748, 4306, 4685, 7496, 8612, 9370, 10765, 17224, 18740, 21530, 37480, 43060, 86120, 2017361, 4034722, 8069444, 10086805, 16138888, 20173610, 40347220, 80694440]

約数ペア:

[(1, 80694440), (2, 40347220), (4, 20173610), (5, 16138888), (8, 10086805), (10, 8069444), (20, 4034722), (40, 2017361), (937, 86120), (1874, 43060), (2153, 37480), (3748, 21530), (4306, 18740), (4685, 17224), (7496, 10765), (8612, 9370)]