804955240

素因数分解:

$2^3\times 5^1\times {\mathrm{20123881}}^1$

素因数の和:20123892

約数の個数: 16

約数和(自身を含む): 1811149380

約数和(自身を除く): 1006194140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20123881, 40247762, 80495524, 100619405, 160991048, 201238810, 402477620, 804955240]

約数ペア:

[(1, 804955240), (2, 402477620), (4, 201238810), (5, 160991048), (8, 100619405), (10, 80495524), (20, 40247762), (40, 20123881)]