25857540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{143653}}^1$

素因数の和:143668

約数の個数: 36

約数和(自身を含む): 78435084

約数和(自身を除く): 52577544

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 143653, 287306, 430959, 574612, 718265, 861918, 1292877, 1436530, 1723836, 2154795, 2585754, 2873060, 4309590, 5171508, 6464385, 8619180, 12928770, 25857540]

約数ペア:

[(1, 25857540), (2, 12928770), (3, 8619180), (4, 6464385), (5, 5171508), (6, 4309590), (9, 2873060), (10, 2585754), (12, 2154795), (15, 1723836), (18, 1436530), (20, 1292877), (30, 861918), (36, 718265), (45, 574612), (60, 430959), (90, 287306), (180, 143653)]