28235120

素因数分解:

$2^4\times 5^1\times {\mathrm{352939}}^1$

素因数の和:352952

約数の個数: 20

約数和(自身を含む): 65646840

約数和(自身を除く): 37411720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352939, 705878, 1411756, 1764695, 2823512, 3529390, 5647024, 7058780, 14117560, 28235120]

約数ペア:

[(1, 28235120), (2, 14117560), (4, 7058780), (5, 5647024), (8, 3529390), (10, 2823512), (16, 1764695), (20, 1411756), (40, 705878), (80, 352939)]