123631540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{45121}}^1$

素因数の和:45267

約数の個数: 24

約数和(自身を含む): 261527112

約数和(自身を除く): 137895572

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 45121, 90242, 180484, 225605, 451210, 902420, 6181577, 12363154, 24726308, 30907885, 61815770, 123631540]

約数ペア:

[(1, 123631540), (2, 61815770), (4, 30907885), (5, 24726308), (10, 12363154), (20, 6181577), (137, 902420), (274, 451210), (548, 225605), (685, 180484), (1370, 90242), (2740, 45121)]