2019931280

素因数分解:

$2^4\times 5^1\times {\mathrm{25249141}}^1$

素因数の和:25249154

約数の個数: 20

約数和(自身を含む): 4696340412

約数和(自身を除く): 2676409132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249141, 50498282, 100996564, 126245705, 201993128, 252491410, 403986256, 504982820, 1009965640, 2019931280]

約数ペア:

[(1, 2019931280), (2, 1009965640), (4, 504982820), (5, 403986256), (8, 252491410), (10, 201993128), (16, 126245705), (20, 100996564), (40, 50498282), (80, 25249141)]