51065380

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18637}}^1$

素因数の和:18783

約数の個数: 24

約数和(自身を含む): 108025848

約数和(自身を除く): 56960468

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 18637, 37274, 74548, 93185, 186370, 372740, 2553269, 5106538, 10213076, 12766345, 25532690, 51065380]

約数ペア:

[(1, 51065380), (2, 25532690), (4, 12766345), (5, 10213076), (10, 5106538), (20, 2553269), (137, 372740), (274, 186370), (548, 93185), (685, 74548), (1370, 37274), (2740, 18637)]