217601080

素因数分解:

$2^3\times 5^1\times {\mathrm{5440027}}^1$

素因数の和:5440038

約数の個数: 16

約数和(自身を含む): 489602520

約数和(自身を除く): 272001440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5440027, 10880054, 21760108, 27200135, 43520216, 54400270, 108800540, 217601080]

約数ペア:

[(1, 217601080), (2, 108800540), (4, 54400270), (5, 43520216), (8, 27200135), (10, 21760108), (20, 10880054), (40, 5440027)]