89038420

素因数分解:

$2^2\times 5^1\times {\mathrm{4451921}}^1$

素因数の和:4451930

約数の個数: 12

約数和(自身を含む): 186980724

約数和(自身を除く): 97942304

約数列:

[1, 2, 4, 5, 10, 20, 4451921, 8903842, 17807684, 22259605, 44519210, 89038420]

約数ペア:

[(1, 89038420), (2, 44519210), (4, 22259605), (5, 17807684), (10, 8903842), (20, 4451921)]