64546180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{23557}}^1$

素因数の和:23703

約数の個数: 24

約数和(自身を含む): 136542168

約数和(自身を除く): 71995988

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 23557, 47114, 94228, 117785, 235570, 471140, 3227309, 6454618, 12909236, 16136545, 32273090, 64546180]

約数ペア:

[(1, 64546180), (2, 32273090), (4, 16136545), (5, 12909236), (10, 6454618), (20, 3227309), (137, 471140), (274, 235570), (548, 117785), (685, 94228), (1370, 47114), (2740, 23557)]