40843888

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{15661}}^1$

素因数の和:15832

約数の個数: 20

約数和(自身を含む): 79625608

約数和(自身を除く): 38781720

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 15661, 31322, 62644, 125288, 250576, 2552743, 5105486, 10210972, 20421944, 40843888]

約数ペア:

[(1, 40843888), (2, 20421944), (4, 10210972), (8, 5105486), (16, 2552743), (163, 250576), (326, 125288), (652, 62644), (1304, 31322), (2608, 15661)]