200728840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386017}}^1$

素因数の和:386041

約数の個数: 32

約数和(自身を含む): 486382680

約数和(自身を除く): 285653840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386017, 772034, 1544068, 1930085, 3088136, 3860170, 5018221, 7720340, 10036442, 15440680, 20072884, 25091105, 40145768, 50182210, 100364420, 200728840]

約数ペア:

[(1, 200728840), (2, 100364420), (4, 50182210), (5, 40145768), (8, 25091105), (10, 20072884), (13, 15440680), (20, 10036442), (26, 7720340), (40, 5018221), (52, 3860170), (65, 3088136), (104, 1930085), (130, 1544068), (260, 772034), (520, 386017)]