80012120

素因数分解:

$2^3\times 5^1\times {\mathrm{2000303}}^1$

素因数の和:2000314

約数の個数: 16

約数和(自身を含む): 180027360

約数和(自身を除く): 100015240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000303, 4000606, 8001212, 10001515, 16002424, 20003030, 40006060, 80012120]

約数ペア:

[(1, 80012120), (2, 40006060), (4, 20003030), (5, 16002424), (8, 10001515), (10, 8001212), (20, 4000606), (40, 2000303)]