57871540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21121}}^1$

素因数の和:21267

約数の個数: 24

約数和(自身を含む): 122423112

約数和(自身を除く): 64551572

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 21121, 42242, 84484, 105605, 211210, 422420, 2893577, 5787154, 11574308, 14467885, 28935770, 57871540]

約数ペア:

[(1, 57871540), (2, 28935770), (4, 14467885), (5, 11574308), (10, 5787154), (20, 2893577), (137, 422420), (274, 211210), (548, 105605), (685, 84484), (1370, 42242), (2740, 21121)]