2019603280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181619}}^1$

素因数の和:181771

約数の個数: 40

約数和(自身を含む): 4729384800

約数和(自身を除く): 2709781520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 181619, 363238, 726476, 908095, 1452952, 1816190, 2905904, 3632380, 7264760, 14529520, 25245041, 50490082, 100980164, 126225205, 201960328, 252450410, 403920656, 504900820, 1009801640, 2019603280]

約数ペア:

[(1, 2019603280), (2, 1009801640), (4, 504900820), (5, 403920656), (8, 252450410), (10, 201960328), (16, 126225205), (20, 100980164), (40, 50490082), (80, 25245041), (139, 14529520), (278, 7264760), (556, 3632380), (695, 2905904), (1112, 1816190), (1390, 1452952), (2224, 908095), (2780, 726476), (5560, 363238), (11120, 181619)]