65817220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1873}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 158675328

約数和(自身を除く): 92858108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 1873, 2510, 3514, 3746, 5020, 7028, 7492, 8785, 9365, 13111, 17570, 18730, 26222, 35140, 37460, 52444, 65555, 131110, 262220, 470123, 940246, 1880492, 2350615, 3290861, 4701230, 6581722, 9402460, 13163444, 16454305, 32908610, 65817220]

約数ペア:

[(1, 65817220), (2, 32908610), (4, 16454305), (5, 13163444), (7, 9402460), (10, 6581722), (14, 4701230), (20, 3290861), (28, 2350615), (35, 1880492), (70, 940246), (140, 470123), (251, 262220), (502, 131110), (1004, 65555), (1255, 52444), (1757, 37460), (1873, 35140), (2510, 26222), (3514, 18730), (3746, 17570), (5020, 13111), (7028, 9365), (7492, 8785)]