80681776

素因数分解:

$2^4\times 7^1\times {\mathrm{720373}}^1$

素因数の和:720388

約数の個数: 20

約数和(自身を含む): 178652752

約数和(自身を除く): 97970976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720373, 1440746, 2881492, 5042611, 5762984, 10085222, 11525968, 20170444, 40340888, 80681776]

約数ペア:

[(1, 80681776), (2, 40340888), (4, 20170444), (7, 11525968), (8, 10085222), (14, 5762984), (16, 5042611), (28, 2881492), (56, 1440746), (112, 720373)]