80910800

素因数分解:

$2^4\times 5^2\times {\mathrm{202277}}^1$

素因数の和:202295

約数の個数: 30

約数和(自身を含む): 194389158

約数和(自身を除く): 113478358

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202277, 404554, 809108, 1011385, 1618216, 2022770, 3236432, 4045540, 5056925, 8091080, 10113850, 16182160, 20227700, 40455400, 80910800]

約数ペア:

[(1, 80910800), (2, 40455400), (4, 20227700), (5, 16182160), (8, 10113850), (10, 8091080), (16, 5056925), (20, 4045540), (25, 3236432), (40, 2022770), (50, 1618216), (80, 1011385), (100, 809108), (200, 404554), (400, 202277)]