2019568280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{226409}}^1$

素因数の和:226643

約数の個数: 32

約数和(自身を含む): 4564425600

約数和(自身を除く): 2544857320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 226409, 452818, 905636, 1132045, 1811272, 2264090, 4528180, 9056360, 50489207, 100978414, 201956828, 252446035, 403913656, 504892070, 1009784140, 2019568280]

約数ペア:

[(1, 2019568280), (2, 1009784140), (4, 504892070), (5, 403913656), (8, 252446035), (10, 201956828), (20, 100978414), (40, 50489207), (223, 9056360), (446, 4528180), (892, 2264090), (1115, 1811272), (1784, 1132045), (2230, 905636), (4460, 452818), (8920, 226409)]