55767560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32423}}^1$

素因数の和:32477

約数の個数: 32

約数和(自身を含む): 128399040

約数和(自身を除く): 72631480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32423, 64846, 129692, 162115, 259384, 324230, 648460, 1296920, 1394189, 2788378, 5576756, 6970945, 11153512, 13941890, 27883780, 55767560]

約数ペア:

[(1, 55767560), (2, 27883780), (4, 13941890), (5, 11153512), (8, 6970945), (10, 5576756), (20, 2788378), (40, 1394189), (43, 1296920), (86, 648460), (172, 324230), (215, 259384), (344, 162115), (430, 129692), (860, 64846), (1720, 32423)]