15720008840

素因数分解:

$2^3\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{140207}}^1$

素因数の和:143021

約数の個数: 32

約数和(自身を含む): 35382890880

約数和(自身を除く): 19662882040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2803, 5606, 11212, 14015, 22424, 28030, 56060, 112120, 140207, 280414, 560828, 701035, 1121656, 1402070, 2804140, 5608280, 393000221, 786000442, 1572000884, 1965001105, 3144001768, 3930002210, 7860004420, 15720008840]

約数ペア:

[(1, 15720008840), (2, 7860004420), (4, 3930002210), (5, 3144001768), (8, 1965001105), (10, 1572000884), (20, 786000442), (40, 393000221), (2803, 5608280), (5606, 2804140), (11212, 1402070), (14015, 1121656), (22424, 701035), (28030, 560828), (56060, 280414), (112120, 140207)]