81605380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9337}}^1$

素因数の和:9388

約数の個数: 48

約数和(自身を含む): 188254080

約数和(自身を除く): 106648700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 9337, 18674, 37348, 46685, 93370, 177403, 186740, 214751, 354806, 429502, 709612, 859004, 887015, 1073755, 1774030, 2147510, 3548060, 4080269, 4295020, 8160538, 16321076, 20401345, 40802690, 81605380]

約数ペア:

[(1, 81605380), (2, 40802690), (4, 20401345), (5, 16321076), (10, 8160538), (19, 4295020), (20, 4080269), (23, 3548060), (38, 2147510), (46, 1774030), (76, 1073755), (92, 887015), (95, 859004), (115, 709612), (190, 429502), (230, 354806), (380, 214751), (437, 186740), (460, 177403), (874, 93370), (1748, 46685), (2185, 37348), (4370, 18674), (8740, 9337)]