8378740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5303}}^1$

素因数の和:5391

約数の個数: 24

約数和(自身を含む): 17821440

約数和(自身を除く): 9442700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5303, 10606, 21212, 26515, 53030, 106060, 418937, 837874, 1675748, 2094685, 4189370, 8378740]

約数ペア:

[(1, 8378740), (2, 4189370), (4, 2094685), (5, 1675748), (10, 837874), (20, 418937), (79, 106060), (158, 53030), (316, 26515), (395, 21212), (790, 10606), (1580, 5303)]