12556640

素因数分解:

$2^5\times 5^1\times {\mathrm{78479}}^1$

素因数の和:78494

約数の個数: 24

約数和(自身を含む): 29665440

約数和(自身を除く): 17108800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 78479, 156958, 313916, 392395, 627832, 784790, 1255664, 1569580, 2511328, 3139160, 6278320, 12556640]

約数ペア:

[(1, 12556640), (2, 6278320), (4, 3139160), (5, 2511328), (8, 1569580), (10, 1255664), (16, 784790), (20, 627832), (32, 392395), (40, 313916), (80, 156958), (160, 78479)]