39839740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4057}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 83854512

約数和(自身を除く): 44014772

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4057, 4910, 8114, 9820, 16228, 20285, 40570, 81140, 1991987, 3983974, 7967948, 9959935, 19919870, 39839740]

約数ペア:

[(1, 39839740), (2, 19919870), (4, 9959935), (5, 7967948), (10, 3983974), (20, 1991987), (491, 81140), (982, 40570), (1964, 20285), (2455, 16228), (4057, 9820), (4910, 8114)]