805227520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157271}}^1$

素因数の和:157296

約数の個数: 44

約数和(自身を含む): 1931614704

約数和(自身を除く): 1126387184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 157271, 314542, 629084, 786355, 1258168, 1572710, 2516336, 3145420, 5032672, 6290840, 10065344, 12581680, 20130688, 25163360, 40261376, 50326720, 80522752, 100653440, 161045504, 201306880, 402613760, 805227520]

約数ペア:

[(1, 805227520), (2, 402613760), (4, 201306880), (5, 161045504), (8, 100653440), (10, 80522752), (16, 50326720), (20, 40261376), (32, 25163360), (40, 20130688), (64, 12581680), (80, 10065344), (128, 6290840), (160, 5032672), (256, 3145420), (320, 2516336), (512, 1572710), (640, 1258168), (1024, 786355), (1280, 629084), (2560, 314542), (5120, 157271)]