80718064

素因数分解:

$2^4\times 7^1\times {\mathrm{720697}}^1$

素因数の和:720712

約数の個数: 20

約数和(自身を含む): 178733104

約数和(自身を除く): 98015040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720697, 1441394, 2882788, 5044879, 5765576, 10089758, 11531152, 20179516, 40359032, 80718064]

約数ペア:

[(1, 80718064), (2, 40359032), (4, 20179516), (7, 11531152), (8, 10089758), (14, 5765576), (16, 5044879), (28, 2882788), (56, 1441394), (112, 720697)]