51290060

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18719}}^1$

素因数の和:18865

約数の個数: 24

約数和(自身を含む): 108501120

約数和(自身を除く): 57211060

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 18719, 37438, 74876, 93595, 187190, 374380, 2564503, 5129006, 10258012, 12822515, 25645030, 51290060]

約数ペア:

[(1, 51290060), (2, 25645030), (4, 12822515), (5, 10258012), (10, 5129006), (20, 2564503), (137, 374380), (274, 187190), (548, 93595), (685, 74876), (1370, 37438), (2740, 18719)]