80500028

素因数分解:

$2^2\times 7^1\times {\mathrm{2875001}}^1$

素因数の和:2875012

約数の個数: 12

約数和(自身を含む): 161000112

約数和(自身を除く): 80500084

約数列:

[1, 2, 4, 7, 14, 28, 2875001, 5750002, 11500004, 20125007, 40250014, 80500028]

約数ペア:

[(1, 80500028), (2, 40250014), (4, 20125007), (7, 11500004), (14, 5750002), (28, 2875001)]