218150840

素因数分解:

$2^3\times 5^1\times {\mathrm{5453771}}^1$

素因数の和:5453782

約数の個数: 16

約数和(自身を含む): 490839480

約数和(自身を除く): 272688640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5453771, 10907542, 21815084, 27268855, 43630168, 54537710, 109075420, 218150840]

約数ペア:

[(1, 218150840), (2, 109075420), (4, 54537710), (5, 43630168), (8, 27268855), (10, 21815084), (20, 10907542), (40, 5453771)]