49488140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{190339}}^1$

素因数の和:190361

約数の個数: 24

約数和(自身を含む): 111919920

約数和(自身を除く): 62431780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 190339, 380678, 761356, 951695, 1903390, 2474407, 3806780, 4948814, 9897628, 12372035, 24744070, 49488140]

約数ペア:

[(1, 49488140), (2, 24744070), (4, 12372035), (5, 9897628), (10, 4948814), (13, 3806780), (20, 2474407), (26, 1903390), (52, 951695), (65, 761356), (130, 380678), (260, 190339)]