80431180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211661}}^1$

素因数の和:211689

約数の個数: 24

約数和(自身を含む): 177796080

約数和(自身を除く): 97364900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 211661, 423322, 846644, 1058305, 2116610, 4021559, 4233220, 8043118, 16086236, 20107795, 40215590, 80431180]

約数ペア:

[(1, 80431180), (2, 40215590), (4, 20107795), (5, 16086236), (10, 8043118), (19, 4233220), (20, 4021559), (38, 2116610), (76, 1058305), (95, 846644), (190, 423322), (380, 211661)]