28266800

素因数分解:

$2^4\times 5^2\times {\mathrm{70667}}^1$

素因数の和:70685

約数の個数: 30

約数和(自身を含む): 67911948

約数和(自身を除く): 39645148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70667, 141334, 282668, 353335, 565336, 706670, 1130672, 1413340, 1766675, 2826680, 3533350, 5653360, 7066700, 14133400, 28266800]

約数ペア:

[(1, 28266800), (2, 14133400), (4, 7066700), (5, 5653360), (8, 3533350), (10, 2826680), (16, 1766675), (20, 1413340), (25, 1130672), (40, 706670), (50, 565336), (80, 353335), (100, 282668), (200, 141334), (400, 70667)]