80667728

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47119}}^1$

素因数の和:47234

約数の個数: 20

約数和(自身を含む): 157757760

約数和(自身を除く): 77090032

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47119, 94238, 188476, 376952, 753904, 5041733, 10083466, 20166932, 40333864, 80667728]

約数ペア:

[(1, 80667728), (2, 40333864), (4, 20166932), (8, 10083466), (16, 5041733), (107, 753904), (214, 376952), (428, 188476), (856, 94238), (1712, 47119)]