54578060

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19919}}^1$

素因数の和:20065

約数の個数: 24

約数和(自身を含む): 115456320

約数和(自身を除く): 60878260

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 19919, 39838, 79676, 99595, 199190, 398380, 2728903, 5457806, 10915612, 13644515, 27289030, 54578060]

約数ペア:

[(1, 54578060), (2, 27289030), (4, 13644515), (5, 10915612), (10, 5457806), (20, 2728903), (137, 398380), (274, 199190), (548, 99595), (685, 79676), (1370, 39838), (2740, 19919)]