2005128304

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{330661}}^1$

素因数の和:331048

約数の個数: 20

約数和(自身を含む): 3895198360

約数和(自身を除く): 1890070056

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 330661, 661322, 1322644, 2645288, 5290576, 125320519, 250641038, 501282076, 1002564152, 2005128304]

約数ペア:

[(1, 2005128304), (2, 1002564152), (4, 501282076), (8, 250641038), (16, 125320519), (379, 5290576), (758, 2645288), (1516, 1322644), (3032, 661322), (6064, 330661)]