8555240

素因数分解:

$2^3\times 5^1\times {\mathrm{213881}}^1$

素因数の和:213892

約数の個数: 16

約数和(自身を含む): 19249380

約数和(自身を除く): 10694140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 213881, 427762, 855524, 1069405, 1711048, 2138810, 4277620, 8555240]

約数ペア:

[(1, 8555240), (2, 4277620), (4, 2138810), (5, 1711048), (8, 1069405), (10, 855524), (20, 427762), (40, 213881)]