80012360

素因数分解:

$2^3\times 5^1\times {\mathrm{2000309}}^1$

素因数の和:2000320

約数の個数: 16

約数和(自身を含む): 180027900

約数和(自身を除く): 100015540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000309, 4000618, 8001236, 10001545, 16002472, 20003090, 40006180, 80012360]

約数ペア:

[(1, 80012360), (2, 40006180), (4, 20003090), (5, 16002472), (8, 10001545), (10, 8001236), (20, 4000618), (40, 2000309)]