209635240

素因数分解:

$2^3\times 5^1\times {\mathrm{5240881}}^1$

素因数の和:5240892

約数の個数: 16

約数和(自身を含む): 471679380

約数和(自身を除く): 262044140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5240881, 10481762, 20963524, 26204405, 41927048, 52408810, 104817620, 209635240]

約数ペア:

[(1, 209635240), (2, 104817620), (4, 52408810), (5, 41927048), (8, 26204405), (10, 20963524), (20, 10481762), (40, 5240881)]