1080496720

素因数分解:

$2^4\times 5^1\times {\mathrm{13506209}}^1$

素因数の和:13506222

約数の個数: 20

約数和(自身を含む): 2512155060

約数和(自身を除く): 1431658340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13506209, 27012418, 54024836, 67531045, 108049672, 135062090, 216099344, 270124180, 540248360, 1080496720]

約数ペア:

[(1, 1080496720), (2, 540248360), (4, 270124180), (5, 216099344), (8, 135062090), (10, 108049672), (16, 67531045), (20, 54024836), (40, 27012418), (80, 13506209)]