80403728

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{11447}}^1$

素因数の和:11894

約数の個数: 20

約数和(自身を含む): 156150720

約数和(自身を除く): 75746992

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 11447, 22894, 45788, 91576, 183152, 5025233, 10050466, 20100932, 40201864, 80403728]

約数ペア:

[(1, 80403728), (2, 40201864), (4, 20100932), (8, 10050466), (16, 5025233), (439, 183152), (878, 91576), (1756, 45788), (3512, 22894), (7024, 11447)]