65209480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{232891}}^1$

素因数の和:232909

約数の個数: 32

約数和(自身を含む): 167682240

約数和(自身を除く): 102472760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 232891, 465782, 931564, 1164455, 1630237, 1863128, 2328910, 3260474, 4657820, 6520948, 8151185, 9315640, 13041896, 16302370, 32604740, 65209480]

約数ペア:

[(1, 65209480), (2, 32604740), (4, 16302370), (5, 13041896), (7, 9315640), (8, 8151185), (10, 6520948), (14, 4657820), (20, 3260474), (28, 2328910), (35, 1863128), (40, 1630237), (56, 1164455), (70, 931564), (140, 465782), (280, 232891)]