19795520

素因数分解:

$2^6\times 5^1\times {\mathrm{61861}}^1$

素因数の和:61878

約数の個数: 28

約数和(自身を含む): 47138844

約数和(自身を除く): 27343324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61861, 123722, 247444, 309305, 494888, 618610, 989776, 1237220, 1979552, 2474440, 3959104, 4948880, 9897760, 19795520]

約数ペア:

[(1, 19795520), (2, 9897760), (4, 4948880), (5, 3959104), (8, 2474440), (10, 1979552), (16, 1237220), (20, 989776), (32, 618610), (40, 494888), (64, 309305), (80, 247444), (160, 123722), (320, 61861)]