56080180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215693}}^1$

素因数の和:215715

約数の個数: 24

約数和(自身を含む): 126828072

約数和(自身を除く): 70747892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 215693, 431386, 862772, 1078465, 2156930, 2804009, 4313860, 5608018, 11216036, 14020045, 28040090, 56080180]

約数ペア:

[(1, 56080180), (2, 28040090), (4, 14020045), (5, 11216036), (10, 5608018), (13, 4313860), (20, 2804009), (26, 2156930), (52, 1078465), (65, 862772), (130, 431386), (260, 215693)]