6560720

素因数分解:

$2^4\times 5^1\times {\mathrm{82009}}^1$

素因数の和:82022

約数の個数: 20

約数和(自身を含む): 15253860

約数和(自身を除く): 8693140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 82009, 164018, 328036, 410045, 656072, 820090, 1312144, 1640180, 3280360, 6560720]

約数ペア:

[(1, 6560720), (2, 3280360), (4, 1640180), (5, 1312144), (8, 820090), (10, 656072), (16, 410045), (20, 328036), (40, 164018), (80, 82009)]