6647266960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{529241}}^1$

素因数の和:529411

約数の個数: 40

約数和(自身を含む): 15553363896

約数和(自身を除く): 8906096936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 529241, 1058482, 2116964, 2646205, 4233928, 5292410, 8467856, 10584820, 21169640, 42339280, 83090837, 166181674, 332363348, 415454185, 664726696, 830908370, 1329453392, 1661816740, 3323633480, 6647266960]

約数ペア:

[(1, 6647266960), (2, 3323633480), (4, 1661816740), (5, 1329453392), (8, 830908370), (10, 664726696), (16, 415454185), (20, 332363348), (40, 166181674), (80, 83090837), (157, 42339280), (314, 21169640), (628, 10584820), (785, 8467856), (1256, 5292410), (1570, 4233928), (2512, 2646205), (3140, 2116964), (6280, 1058482), (12560, 529241)]