83257640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15193}}^1$

素因数の和:15341

約数の個数: 32

約数和(自身を含む): 188709480

約数和(自身を除く): 105451840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15193, 30386, 60772, 75965, 121544, 151930, 303860, 607720, 2081441, 4162882, 8325764, 10407205, 16651528, 20814410, 41628820, 83257640]

約数ペア:

[(1, 83257640), (2, 41628820), (4, 20814410), (5, 16651528), (8, 10407205), (10, 8325764), (20, 4162882), (40, 2081441), (137, 607720), (274, 303860), (548, 151930), (685, 121544), (1096, 75965), (1370, 60772), (2740, 30386), (5480, 15193)]