80677876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{9739}}^1$

素因数の和:9871

約数の個数: 24

約数和(自身を含む): 149996000

約数和(自身を除く): 69318124

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 9739, 19478, 38956, 185041, 370082, 740164, 1061551, 2123102, 4246204, 20169469, 40338938, 80677876]

約数ペア:

[(1, 80677876), (2, 40338938), (4, 20169469), (19, 4246204), (38, 2123102), (76, 1061551), (109, 740164), (218, 370082), (436, 185041), (2071, 38956), (4142, 19478), (8284, 9739)]