80719804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{5197}}^1$

素因数の和:5565

約数の個数: 24

約数和(自身を含む): 154567728

約数和(自身を除く): 73847924

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1412, 3883, 5197, 7766, 10394, 15532, 20788, 57167, 114334, 228668, 1834541, 3669082, 7338164, 20179951, 40359902, 80719804]

約数ペア:

[(1, 80719804), (2, 40359902), (4, 20179951), (11, 7338164), (22, 3669082), (44, 1834541), (353, 228668), (706, 114334), (1412, 57167), (3883, 20788), (5197, 15532), (7766, 10394)]