9995240

素因数分解:

$2^3\times 5^1\times {\mathrm{249881}}^1$

素因数の和:249892

約数の個数: 16

約数和(自身を含む): 22489380

約数和(自身を除く): 12494140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249881, 499762, 999524, 1249405, 1999048, 2498810, 4997620, 9995240]

約数ペア:

[(1, 9995240), (2, 4997620), (4, 2498810), (5, 1999048), (8, 1249405), (10, 999524), (20, 499762), (40, 249881)]