80239210

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{15401}}^1$

素因数の和:15929

約数の個数: 16

約数和(自身を含む): 144717192

約数和(自身を除く): 64477982

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 15401, 30802, 77005, 154010, 8023921, 16047842, 40119605, 80239210]

約数ペア:

[(1, 80239210), (2, 40119605), (5, 16047842), (10, 8023921), (521, 154010), (1042, 77005), (2605, 30802), (5210, 15401)]