55591040

素因数分解:

$2^7\times 5^1\times {\mathrm{86861}}^1$

素因数の和:86880

約数の個数: 32

約数和(自身を含む): 132898860

約数和(自身を除く): 77307820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86861, 173722, 347444, 434305, 694888, 868610, 1389776, 1737220, 2779552, 3474440, 5559104, 6948880, 11118208, 13897760, 27795520, 55591040]

約数ペア:

[(1, 55591040), (2, 27795520), (4, 13897760), (5, 11118208), (8, 6948880), (10, 5559104), (16, 3474440), (20, 2779552), (32, 1737220), (40, 1389776), (64, 868610), (80, 694888), (128, 434305), (160, 347444), (320, 173722), (640, 86861)]