80707216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117307}}^1$

素因数の和:117358

約数の個数: 20

約数和(自身を含む): 160008112

約数和(自身を除く): 79300896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117307, 234614, 469228, 938456, 1876912, 5044201, 10088402, 20176804, 40353608, 80707216]

約数ペア:

[(1, 80707216), (2, 40353608), (4, 20176804), (8, 10088402), (16, 5044201), (43, 1876912), (86, 938456), (172, 469228), (344, 234614), (688, 117307)]