201765640

素因数分解:

$2^3\times 5^1\times {\mathrm{5044141}}^1$

素因数の和:5044152

約数の個数: 16

約数和(自身を含む): 453972780

約数和(自身を除く): 252207140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5044141, 10088282, 20176564, 25220705, 40353128, 50441410, 100882820, 201765640]

約数ペア:

[(1, 201765640), (2, 100882820), (4, 50441410), (5, 40353128), (8, 25220705), (10, 20176564), (20, 10088282), (40, 5044141)]