54791780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19997}}^1$

素因数の和:20143

約数の個数: 24

約数和(自身を含む): 115908408

約数和(自身を除く): 61116628

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 19997, 39994, 79988, 99985, 199970, 399940, 2739589, 5479178, 10958356, 13697945, 27395890, 54791780]

約数ペア:

[(1, 54791780), (2, 27395890), (4, 13697945), (5, 10958356), (10, 5479178), (20, 2739589), (137, 399940), (274, 199970), (548, 99985), (685, 79988), (1370, 39994), (2740, 19997)]