25536080

素因数分解:

$2^4\times 5^1\times {\mathrm{319201}}^1$

素因数の和:319214

約数の個数: 20

約数和(自身を含む): 59371572

約数和(自身を除く): 33835492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 319201, 638402, 1276804, 1596005, 2553608, 3192010, 5107216, 6384020, 12768040, 25536080]

約数ペア:

[(1, 25536080), (2, 12768040), (4, 6384020), (5, 5107216), (8, 3192010), (10, 2553608), (16, 1596005), (20, 1276804), (40, 638402), (80, 319201)]