84188660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47297}}^1$

素因数の和:47395

約数の個数: 24

約数和(自身を含む): 178786440

約数和(自身を除く): 94597780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 47297, 94594, 189188, 236485, 472970, 945940, 4209433, 8418866, 16837732, 21047165, 42094330, 84188660]

約数ペア:

[(1, 84188660), (2, 42094330), (4, 21047165), (5, 16837732), (10, 8418866), (20, 4209433), (89, 945940), (178, 472970), (356, 236485), (445, 189188), (890, 94594), (1780, 47297)]