55815680

素因数分解:

$2^9\times 5^1\times {\mathrm{21803}}^1$

素因数の和:21826

約数の個数: 40

約数和(自身を含む): 133832952

約数和(自身を除く): 78017272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21803, 43606, 87212, 109015, 174424, 218030, 348848, 436060, 697696, 872120, 1395392, 1744240, 2790784, 3488480, 5581568, 6976960, 11163136, 13953920, 27907840, 55815680]

約数ペア:

[(1, 55815680), (2, 27907840), (4, 13953920), (5, 11163136), (8, 6976960), (10, 5581568), (16, 3488480), (20, 2790784), (32, 1744240), (40, 1395392), (64, 872120), (80, 697696), (128, 436060), (160, 348848), (256, 218030), (320, 174424), (512, 109015), (640, 87212), (1280, 43606), (2560, 21803)]