28124080

素因数分解:

$2^4\times 5^1\times {\mathrm{351551}}^1$

素因数の和:351564

約数の個数: 20

約数和(自身を含む): 65388672

約数和(自身を除く): 37264592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 351551, 703102, 1406204, 1757755, 2812408, 3515510, 5624816, 7031020, 14062040, 28124080]

約数ペア:

[(1, 28124080), (2, 14062040), (4, 7031020), (5, 5624816), (8, 3515510), (10, 2812408), (16, 1757755), (20, 1406204), (40, 703102), (80, 351551)]