79971080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285611}}^1$

素因数の和:285629

約数の個数: 32

約数和(自身を含む): 205640640

約数和(自身を除く): 125669560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285611, 571222, 1142444, 1428055, 1999277, 2284888, 2856110, 3998554, 5712220, 7997108, 9996385, 11424440, 15994216, 19992770, 39985540, 79971080]

約数ペア:

[(1, 79971080), (2, 39985540), (4, 19992770), (5, 15994216), (7, 11424440), (8, 9996385), (10, 7997108), (14, 5712220), (20, 3998554), (28, 2856110), (35, 2284888), (40, 1999277), (56, 1428055), (70, 1142444), (140, 571222), (280, 285611)]