25824280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5923}}^1$

素因数の和:6043

約数の個数: 32

約数和(自身を含む): 58647600

約数和(自身を除く): 32823320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5923, 11846, 23692, 29615, 47384, 59230, 118460, 236920, 645607, 1291214, 2582428, 3228035, 5164856, 6456070, 12912140, 25824280]

約数ペア:

[(1, 25824280), (2, 12912140), (4, 6456070), (5, 5164856), (8, 3228035), (10, 2582428), (20, 1291214), (40, 645607), (109, 236920), (218, 118460), (436, 59230), (545, 47384), (872, 29615), (1090, 23692), (2180, 11846), (4360, 5923)]