71296580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82903}}^1$

素因数の和:82955

約数の個数: 24

約数和(自身を含む): 153206592

約数和(自身を除く): 81910012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82903, 165806, 331612, 414515, 829030, 1658060, 3564829, 7129658, 14259316, 17824145, 35648290, 71296580]

約数ペア:

[(1, 71296580), (2, 35648290), (4, 17824145), (5, 14259316), (10, 7129658), (20, 3564829), (43, 1658060), (86, 829030), (172, 414515), (215, 331612), (430, 165806), (860, 82903)]