80167280

素因数分解:

$2^4\times 5^1\times {\mathrm{1002091}}^1$

素因数の和:1002104

約数の個数: 20

約数和(自身を含む): 186389112

約数和(自身を除く): 106221832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002091, 2004182, 4008364, 5010455, 8016728, 10020910, 16033456, 20041820, 40083640, 80167280]

約数ペア:

[(1, 80167280), (2, 40083640), (4, 20041820), (5, 16033456), (8, 10020910), (10, 8016728), (16, 5010455), (20, 4008364), (40, 2004182), (80, 1002091)]