2085126440

素因数分解:

$2^3\times 5^1\times {\mathrm{52128161}}^1$

素因数の和:52128172

約数の個数: 16

約数和(自身を含む): 4691534580

約数和(自身を除く): 2606408140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52128161, 104256322, 208512644, 260640805, 417025288, 521281610, 1042563220, 2085126440]

約数ペア:

[(1, 2085126440), (2, 1042563220), (4, 521281610), (5, 417025288), (8, 260640805), (10, 208512644), (20, 104256322), (40, 52128161)]