80800784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117443}}^1$

素因数の和:117494

約数の個数: 20

約数和(自身を含む): 160193616

約数和(自身を除く): 79392832

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117443, 234886, 469772, 939544, 1879088, 5050049, 10100098, 20200196, 40400392, 80800784]

約数ペア:

[(1, 80800784), (2, 40400392), (4, 20200196), (8, 10100098), (16, 5050049), (43, 1879088), (86, 939544), (172, 469772), (344, 234886), (688, 117443)]