80912080

素因数分解:

$2^4\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1723}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 188550432

約数和(自身を除く): 107638352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 587, 1174, 1723, 2348, 2935, 3446, 4696, 5870, 6892, 8615, 9392, 11740, 13784, 17230, 23480, 27568, 34460, 46960, 68920, 137840, 1011401, 2022802, 4045604, 5057005, 8091208, 10114010, 16182416, 20228020, 40456040, 80912080]

約数ペア:

[(1, 80912080), (2, 40456040), (4, 20228020), (5, 16182416), (8, 10114010), (10, 8091208), (16, 5057005), (20, 4045604), (40, 2022802), (80, 1011401), (587, 137840), (1174, 68920), (1723, 46960), (2348, 34460), (2935, 27568), (3446, 23480), (4696, 17230), (5870, 13784), (6892, 11740), (8615, 9392)]