40503020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20051}}^1$

素因数の和:20161

約数の個数: 24

約数和(自身を含む): 85902768

約数和(自身を除く): 45399748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20051, 40102, 80204, 100255, 200510, 401020, 2025151, 4050302, 8100604, 10125755, 20251510, 40503020]

約数ペア:

[(1, 40503020), (2, 20251510), (4, 10125755), (5, 8100604), (10, 4050302), (20, 2025151), (101, 401020), (202, 200510), (404, 100255), (505, 80204), (1010, 40102), (2020, 20051)]