28250800

素因数分解:

$2^4\times 5^2\times {\mathrm{70627}}^1$

素因数の和:70645

約数の個数: 30

約数和(自身を含む): 67873508

約数和(自身を除く): 39622708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70627, 141254, 282508, 353135, 565016, 706270, 1130032, 1412540, 1765675, 2825080, 3531350, 5650160, 7062700, 14125400, 28250800]

約数ペア:

[(1, 28250800), (2, 14125400), (4, 7062700), (5, 5650160), (8, 3531350), (10, 2825080), (16, 1765675), (20, 1412540), (25, 1130032), (40, 706270), (50, 565016), (80, 353135), (100, 282508), (200, 141254), (400, 70627)]