12807280

素因数分解:

$2^4\times 5^1\times {\mathrm{160091}}^1$

素因数の和:160104

約数の個数: 20

約数和(自身を含む): 29777112

約数和(自身を除く): 16969832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160091, 320182, 640364, 800455, 1280728, 1600910, 2561456, 3201820, 6403640, 12807280]

約数ペア:

[(1, 12807280), (2, 6403640), (4, 3201820), (5, 2561456), (8, 1600910), (10, 1280728), (16, 800455), (20, 640364), (40, 320182), (80, 160091)]