80036560

素因数分解:

$2^4\times 5^1\times {\mathrm{1000457}}^1$

素因数の和:1000470

約数の個数: 20

約数和(自身を含む): 186085188

約数和(自身を除く): 106048628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000457, 2000914, 4001828, 5002285, 8003656, 10004570, 16007312, 20009140, 40018280, 80036560]

約数ペア:

[(1, 80036560), (2, 40018280), (4, 20009140), (5, 16007312), (8, 10004570), (10, 8003656), (16, 5002285), (20, 4001828), (40, 2000914), (80, 1000457)]