28683520

素因数分解:

$2^8\times 5^1\times {\mathrm{22409}}^1$

素因数の和:22430

約数の個数: 36

約数和(自身を含む): 68709060

約数和(自身を除く): 40025540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22409, 44818, 89636, 112045, 179272, 224090, 358544, 448180, 717088, 896360, 1434176, 1792720, 2868352, 3585440, 5736704, 7170880, 14341760, 28683520]

約数ペア:

[(1, 28683520), (2, 14341760), (4, 7170880), (5, 5736704), (8, 3585440), (10, 2868352), (16, 1792720), (20, 1434176), (32, 896360), (40, 717088), (64, 448180), (80, 358544), (128, 224090), (160, 179272), (256, 112045), (320, 89636), (640, 44818), (1280, 22409)]