40082780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 89150880

約数和(自身を除く): 49068100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 337, 380, 626, 674, 1252, 1348, 1565, 1685, 3130, 3370, 5947, 6260, 6403, 6740, 11894, 12806, 23788, 25612, 29735, 32015, 59470, 64030, 105481, 118940, 128060, 210962, 421924, 527405, 1054810, 2004139, 2109620, 4008278, 8016556, 10020695, 20041390, 40082780]

約数ペア:

[(1, 40082780), (2, 20041390), (4, 10020695), (5, 8016556), (10, 4008278), (19, 2109620), (20, 2004139), (38, 1054810), (76, 527405), (95, 421924), (190, 210962), (313, 128060), (337, 118940), (380, 105481), (626, 64030), (674, 59470), (1252, 32015), (1348, 29735), (1565, 25612), (1685, 23788), (3130, 12806), (3370, 11894), (5947, 6740), (6260, 6403)]