165607280

素因数分解:

$2^4\times 5^1\times {\mathrm{2070091}}^1$

素因数の和:2070104

約数の個数: 20

約数和(自身を含む): 385037112

約数和(自身を除く): 219429832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2070091, 4140182, 8280364, 10350455, 16560728, 20700910, 33121456, 41401820, 82803640, 165607280]

約数ペア:

[(1, 165607280), (2, 82803640), (4, 41401820), (5, 33121456), (8, 20700910), (10, 16560728), (16, 10350455), (20, 8280364), (40, 4140182), (80, 2070091)]