40340402

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 61776000

約数和(自身を除く): 21435598

約数列:

[1, 2, 79, 131, 158, 262, 1949, 3898, 10349, 20698, 153971, 255319, 307942, 510638, 20170201, 40340402]

約数ペア:

[(1, 40340402), (2, 20170201), (79, 510638), (131, 307942), (158, 255319), (262, 153971), (1949, 20698), (3898, 10349)]