12440800

素因数分解:

$2^5\times 5^2\times {\mathrm{15551}}^1$

素因数の和:15571

約数の個数: 36

約数和(自身を含む): 30373056

約数和(自身を除く): 17932256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 388775, 497632, 622040, 777550, 1244080, 1555100, 2488160, 3110200, 6220400, 12440800]

約数ペア:

[(1, 12440800), (2, 6220400), (4, 3110200), (5, 2488160), (8, 1555100), (10, 1244080), (16, 777550), (20, 622040), (25, 497632), (32, 388775), (40, 311020), (50, 248816), (80, 155510), (100, 124408), (160, 77755), (200, 62204), (400, 31102), (800, 15551)]