42486580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 92252160

約数和(自身を除く): 49765580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 389, 430, 508, 635, 778, 860, 1270, 1556, 1945, 2540, 3890, 5461, 7780, 10922, 16727, 21844, 27305, 33454, 49403, 54610, 66908, 83635, 98806, 109220, 167270, 197612, 247015, 334540, 494030, 988060, 2124329, 4248658, 8497316, 10621645, 21243290, 42486580]

約数ペア:

[(1, 42486580), (2, 21243290), (4, 10621645), (5, 8497316), (10, 4248658), (20, 2124329), (43, 988060), (86, 494030), (127, 334540), (172, 247015), (215, 197612), (254, 167270), (389, 109220), (430, 98806), (508, 83635), (635, 66908), (778, 54610), (860, 49403), (1270, 33454), (1556, 27305), (1945, 21844), (2540, 16727), (3890, 10922), (5461, 7780)]