218435080

素因数分解:

$2^3\times 5^1\times {\mathrm{5460877}}^1$

素因数の和:5460888

約数の個数: 16

約数和(自身を含む): 491479020

約数和(自身を除く): 273043940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5460877, 10921754, 21843508, 27304385, 43687016, 54608770, 109217540, 218435080]

約数ペア:

[(1, 218435080), (2, 109217540), (4, 54608770), (5, 43687016), (8, 27304385), (10, 21843508), (20, 10921754), (40, 5460877)]