217471160

素因数分解:

$2^3\times 5^1\times {\mathrm{5436779}}^1$

素因数の和:5436790

約数の個数: 16

約数和(自身を含む): 489310200

約数和(自身を除く): 271839040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5436779, 10873558, 21747116, 27183895, 43494232, 54367790, 108735580, 217471160]

約数ペア:

[(1, 217471160), (2, 108735580), (4, 54367790), (5, 43494232), (8, 27183895), (10, 21747116), (20, 10873558), (40, 5436779)]