55778180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20357}}^1$

素因数の和:20503

約数の個数: 24

約数和(自身を含む): 117994968

約数和(自身を除く): 62216788

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 20357, 40714, 81428, 101785, 203570, 407140, 2788909, 5577818, 11155636, 13944545, 27889090, 55778180]

約数ペア:

[(1, 55778180), (2, 27889090), (4, 13944545), (5, 11155636), (10, 5577818), (20, 2788909), (137, 407140), (274, 203570), (548, 101785), (685, 81428), (1370, 40714), (2740, 20357)]