89008840

素因数分解:

$2^3\times 5^1\times {\mathrm{2225221}}^1$

素因数の和:2225232

約数の個数: 16

約数和(自身を含む): 200269980

約数和(自身を除く): 111261140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2225221, 4450442, 8900884, 11126105, 17801768, 22252210, 44504420, 89008840]

約数ペア:

[(1, 89008840), (2, 44504420), (4, 22252210), (5, 17801768), (8, 11126105), (10, 8900884), (20, 4450442), (40, 2225221)]