12557488

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{4999}}^1$

素因数の和:5164

約数の個数: 20

約数和(自身を含む): 24490000

約数和(自身を除く): 11932512

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 4999, 9998, 19996, 39992, 79984, 784843, 1569686, 3139372, 6278744, 12557488]

約数ペア:

[(1, 12557488), (2, 6278744), (4, 3139372), (8, 1569686), (16, 784843), (157, 79984), (314, 39992), (628, 19996), (1256, 9998), (2512, 4999)]