80384470

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{17903}}^1$

素因数の和:18359

約数の個数: 16

約数和(自身を含む): 145022400

約数和(自身を除く): 64637930

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 17903, 35806, 89515, 179030, 8038447, 16076894, 40192235, 80384470]

約数ペア:

[(1, 80384470), (2, 40192235), (5, 16076894), (10, 8038447), (449, 179030), (898, 89515), (2245, 35806), (4490, 17903)]