26368496720

素因数分解:

$2^4\times 5^1\times {\mathrm{329606209}}^1$

素因数の和:329606222

約数の個数: 20

約数和(自身を含む): 61306755060

約数和(自身を除く): 34938258340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 329606209, 659212418, 1318424836, 1648031045, 2636849672, 3296062090, 5273699344, 6592124180, 13184248360, 26368496720]

約数ペア:

[(1, 26368496720), (2, 13184248360), (4, 6592124180), (5, 5273699344), (8, 3296062090), (10, 2636849672), (16, 1648031045), (20, 1318424836), (40, 659212418), (80, 329606209)]