80709328

素因数分解:

$2^4\times 7^1\times {\mathrm{720619}}^1$

素因数の和:720634

約数の個数: 20

約数和(自身を含む): 178713760

約数和(自身を除く): 98004432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720619, 1441238, 2882476, 5044333, 5764952, 10088666, 11529904, 20177332, 40354664, 80709328]

約数ペア:

[(1, 80709328), (2, 40354664), (4, 20177332), (7, 11529904), (8, 10088666), (14, 5764952), (16, 5044333), (28, 2882476), (56, 1441238), (112, 720619)]