2189540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 4656960

約数和(自身を除く): 2467420

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1319, 1660, 2638, 5276, 6595, 13190, 26380, 109477, 218954, 437908, 547385, 1094770, 2189540]

約数ペア:

[(1, 2189540), (2, 1094770), (4, 547385), (5, 437908), (10, 218954), (20, 109477), (83, 26380), (166, 13190), (332, 6595), (415, 5276), (830, 2638), (1319, 1660)]