82055020

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2531}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 172489968

約数和(自身を除く): 90434948

約数列:

[1, 2, 4, 5, 10, 20, 1621, 2531, 3242, 5062, 6484, 8105, 10124, 12655, 16210, 25310, 32420, 50620, 4102751, 8205502, 16411004, 20513755, 41027510, 82055020]

約数ペア:

[(1, 82055020), (2, 41027510), (4, 20513755), (5, 16411004), (10, 8205502), (20, 4102751), (1621, 50620), (2531, 32420), (3242, 25310), (5062, 16210), (6484, 12655), (8105, 10124)]