66624620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 142829568

約数和(自身を除く): 76204948

約数列:

[1, 2, 4, 5, 10, 20, 107, 163, 191, 214, 326, 382, 428, 535, 652, 764, 815, 955, 1070, 1630, 1910, 2140, 3260, 3820, 17441, 20437, 31133, 34882, 40874, 62266, 69764, 81748, 87205, 102185, 124532, 155665, 174410, 204370, 311330, 348820, 408740, 622660, 3331231, 6662462, 13324924, 16656155, 33312310, 66624620]

約数ペア:

[(1, 66624620), (2, 33312310), (4, 16656155), (5, 13324924), (10, 6662462), (20, 3331231), (107, 622660), (163, 408740), (191, 348820), (214, 311330), (326, 204370), (382, 174410), (428, 155665), (535, 124532), (652, 102185), (764, 87205), (815, 81748), (955, 69764), (1070, 62266), (1630, 40874), (1910, 34882), (2140, 31133), (3260, 20437), (3820, 17441)]