42395740

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3307}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 89196912

約数和(自身を除く): 46801172

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 3307, 6410, 6614, 12820, 13228, 16535, 33070, 66140, 2119787, 4239574, 8479148, 10598935, 21197870, 42395740]

約数ペア:

[(1, 42395740), (2, 21197870), (4, 10598935), (5, 8479148), (10, 4239574), (20, 2119787), (641, 66140), (1282, 33070), (2564, 16535), (3205, 13228), (3307, 12820), (6410, 6614)]