28220800

素因数分解:

$2^7\times 5^2\times {\mathrm{8819}}^1$

素因数の和:8843

約数の個数: 48

約数和(自身を含む): 69722100

約数和(自身を除く): 41501300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 8819, 17638, 35276, 44095, 70552, 88190, 141104, 176380, 220475, 282208, 352760, 440950, 564416, 705520, 881900, 1128832, 1411040, 1763800, 2822080, 3527600, 5644160, 7055200, 14110400, 28220800]

約数ペア:

[(1, 28220800), (2, 14110400), (4, 7055200), (5, 5644160), (8, 3527600), (10, 2822080), (16, 1763800), (20, 1411040), (25, 1128832), (32, 881900), (40, 705520), (50, 564416), (64, 440950), (80, 352760), (100, 282208), (128, 220475), (160, 176380), (200, 141104), (320, 88190), (400, 70552), (640, 44095), (800, 35276), (1600, 17638), (3200, 8819)]