57570140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21011}}^1$

素因数の和:21157

約数の個数: 24

約数和(自身を含む): 121785552

約数和(自身を除く): 64215412

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 21011, 42022, 84044, 105055, 210110, 420220, 2878507, 5757014, 11514028, 14392535, 28785070, 57570140]

約数ペア:

[(1, 57570140), (2, 28785070), (4, 14392535), (5, 11514028), (10, 5757014), (20, 2878507), (137, 420220), (274, 210110), (548, 105055), (685, 84044), (1370, 42022), (2740, 21011)]