15788540

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1621}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 33244512

約数和(自身を除く): 17455972

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1621, 1948, 2435, 3242, 4870, 6484, 8105, 9740, 16210, 32420, 789427, 1578854, 3157708, 3947135, 7894270, 15788540]

約数ペア:

[(1, 15788540), (2, 7894270), (4, 3947135), (5, 3157708), (10, 1578854), (20, 789427), (487, 32420), (974, 16210), (1621, 9740), (1948, 8105), (2435, 6484), (3242, 4870)]