65842540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30203}}^1$

素因数の和:30321

約数の個数: 24

約数和(自身を含む): 139542480

約数和(自身を除く): 73699940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30203, 60406, 120812, 151015, 302030, 604060, 3292127, 6584254, 13168508, 16460635, 32921270, 65842540]

約数ペア:

[(1, 65842540), (2, 32921270), (4, 16460635), (5, 13168508), (10, 6584254), (20, 3292127), (109, 604060), (218, 302030), (436, 151015), (545, 120812), (1090, 60406), (2180, 30203)]