2680816

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1368

約数の個数: 20

約数和(自身を含む): 5236272

約数和(自身を除く): 2555456

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 1223, 2192, 2446, 4892, 9784, 19568, 167551, 335102, 670204, 1340408, 2680816]

約数ペア:

[(1, 2680816), (2, 1340408), (4, 670204), (8, 335102), (16, 167551), (137, 19568), (274, 9784), (548, 4892), (1096, 2446), (1223, 2192)]