80403740

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{4691}}^1$

素因数の和:5557

約数の個数: 24

約数和(自身を含む): 169080912

約数和(自身を除く): 88677172

約数列:

[1, 2, 4, 5, 10, 20, 857, 1714, 3428, 4285, 4691, 8570, 9382, 17140, 18764, 23455, 46910, 93820, 4020187, 8040374, 16080748, 20100935, 40201870, 80403740]

約数ペア:

[(1, 80403740), (2, 40201870), (4, 20100935), (5, 16080748), (10, 8040374), (20, 4020187), (857, 93820), (1714, 46910), (3428, 23455), (4285, 18764), (4691, 17140), (8570, 9382)]