208598140

素因数分解:

$2^2\times 5^1\times {\mathrm{2017}}^1\times {\mathrm{5171}}^1$

素因数の和:7197

約数の個数: 24

約数和(自身を含む): 438358032

約数和(自身を除く): 229759892

約数列:

[1, 2, 4, 5, 10, 20, 2017, 4034, 5171, 8068, 10085, 10342, 20170, 20684, 25855, 40340, 51710, 103420, 10429907, 20859814, 41719628, 52149535, 104299070, 208598140]

約数ペア:

[(1, 208598140), (2, 104299070), (4, 52149535), (5, 41719628), (10, 20859814), (20, 10429907), (2017, 103420), (4034, 51710), (5171, 40340), (8068, 25855), (10085, 20684), (10342, 20170)]