168307640

素因数分解:

$2^3\times 5^1\times {\mathrm{4207691}}^1$

素因数の和:4207702

約数の個数: 16

約数和(自身を含む): 378692280

約数和(自身を除く): 210384640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4207691, 8415382, 16830764, 21038455, 33661528, 42076910, 84153820, 168307640]

約数ペア:

[(1, 168307640), (2, 84153820), (4, 42076910), (5, 33661528), (8, 21038455), (10, 16830764), (20, 8415382), (40, 4207691)]