168235640

素因数分解:

$2^3\times 5^1\times {\mathrm{4205891}}^1$

素因数の和:4205902

約数の個数: 16

約数和(自身を含む): 378530280

約数和(自身を除く): 210294640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4205891, 8411782, 16823564, 21029455, 33647128, 42058910, 84117820, 168235640]

約数ペア:

[(1, 168235640), (2, 84117820), (4, 42058910), (5, 33647128), (8, 21029455), (10, 16823564), (20, 8411782), (40, 4205891)]