25566040

素因数分解:

$2^3\times 5^1\times {\mathrm{639151}}^1$

素因数の和:639162

約数の個数: 16

約数和(自身を含む): 57523680

約数和(自身を除く): 31957640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 639151, 1278302, 2556604, 3195755, 5113208, 6391510, 12783020, 25566040]

約数ペア:

[(1, 25566040), (2, 12783020), (4, 6391510), (5, 5113208), (8, 3195755), (10, 2556604), (20, 1278302), (40, 639151)]