80936180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311293}}^1$

素因数の和:311315

約数の個数: 24

約数和(自身を含む): 183040872

約数和(自身を除く): 102104692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311293, 622586, 1245172, 1556465, 3112930, 4046809, 6225860, 8093618, 16187236, 20234045, 40468090, 80936180]

約数ペア:

[(1, 80936180), (2, 40468090), (4, 20234045), (5, 16187236), (10, 8093618), (13, 6225860), (20, 4046809), (26, 3112930), (52, 1556465), (65, 1245172), (130, 622586), (260, 311293)]