80047340

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{7109}}^1$

素因数の和:7681

約数の個数: 24

約数和(自身を含む): 168421680

約数和(自身を除く): 88374340

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 7109, 11260, 14218, 28436, 35545, 71090, 142180, 4002367, 8004734, 16009468, 20011835, 40023670, 80047340]

約数ペア:

[(1, 80047340), (2, 40023670), (4, 20011835), (5, 16009468), (10, 8004734), (20, 4002367), (563, 142180), (1126, 71090), (2252, 35545), (2815, 28436), (5630, 14218), (7109, 11260)]