66772880

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2633}}^1$

素因数の和:2963

約数の個数: 40

約数和(自身を含む): 155795832

約数和(自身を除く): 89022952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 2633, 3170, 5072, 5266, 6340, 10532, 12680, 13165, 21064, 25360, 26330, 42128, 52660, 105320, 210640, 834661, 1669322, 3338644, 4173305, 6677288, 8346610, 13354576, 16693220, 33386440, 66772880]

約数ペア:

[(1, 66772880), (2, 33386440), (4, 16693220), (5, 13354576), (8, 8346610), (10, 6677288), (16, 4173305), (20, 3338644), (40, 1669322), (80, 834661), (317, 210640), (634, 105320), (1268, 52660), (1585, 42128), (2536, 26330), (2633, 25360), (3170, 21064), (5072, 13165), (5266, 12680), (6340, 10532)]