172645542280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{31504661}}^1$

素因数の和:31504809

約数の個数: 32

約数和(自身を含む): 391287902040

約数和(自身を除く): 218642359760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 31504661, 63009322, 126018644, 157523305, 252037288, 315046610, 630093220, 1260186440, 4316138557, 8632277114, 17264554228, 21580692785, 34529108456, 43161385570, 86322771140, 172645542280]

約数ペア:

[(1, 172645542280), (2, 86322771140), (4, 43161385570), (5, 34529108456), (8, 21580692785), (10, 17264554228), (20, 8632277114), (40, 4316138557), (137, 1260186440), (274, 630093220), (548, 315046610), (685, 252037288), (1096, 157523305), (1370, 126018644), (2740, 63009322), (5480, 31504661)]