16278740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10303}}^1$

素因数の和:10391

約数の個数: 24

約数和(自身を含む): 34621440

約数和(自身を除く): 18342700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10303, 20606, 41212, 51515, 103030, 206060, 813937, 1627874, 3255748, 4069685, 8139370, 16278740]

約数ペア:

[(1, 16278740), (2, 8139370), (4, 4069685), (5, 3255748), (10, 1627874), (20, 813937), (79, 206060), (158, 103030), (316, 51515), (395, 41212), (790, 20606), (1580, 10303)]