581680720

素因数分解:

$2^4\times 5^1\times {\mathrm{7271009}}^1$

素因数の和:7271022

約数の個数: 20

約数和(自身を含む): 1352407860

約数和(自身を除く): 770727140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7271009, 14542018, 29084036, 36355045, 58168072, 72710090, 116336144, 145420180, 290840360, 581680720]

約数ペア:

[(1, 581680720), (2, 290840360), (4, 145420180), (5, 116336144), (8, 72710090), (10, 58168072), (16, 36355045), (20, 29084036), (40, 14542018), (80, 7271009)]