219155080

素因数分解:

$2^3\times 5^1\times {\mathrm{5478877}}^1$

素因数の和:5478888

約数の個数: 16

約数和(自身を含む): 493099020

約数和(自身を除く): 273943940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5478877, 10957754, 21915508, 27394385, 43831016, 54788770, 109577540, 219155080]

約数ペア:

[(1, 219155080), (2, 109577540), (4, 54788770), (5, 43831016), (8, 27394385), (10, 21915508), (20, 10957754), (40, 5478877)]