87591040

素因数分解:

$2^7\times 5^1\times {\mathrm{136861}}^1$

素因数の和:136880

約数の個数: 32

約数和(自身を含む): 209398860

約数和(自身を除く): 121807820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136861, 273722, 547444, 684305, 1094888, 1368610, 2189776, 2737220, 4379552, 5474440, 8759104, 10948880, 17518208, 21897760, 43795520, 87591040]

約数ペア:

[(1, 87591040), (2, 43795520), (4, 21897760), (5, 17518208), (8, 10948880), (10, 8759104), (16, 5474440), (20, 4379552), (32, 2737220), (40, 2189776), (64, 1368610), (80, 1094888), (128, 684305), (160, 547444), (320, 273722), (640, 136861)]