209880459560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{122023523}}^1$

素因数の和:122023577

約数の個数: 32

約数和(自身を含む): 483213155040

約数和(自身を除く): 273332695480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 122023523, 244047046, 488094092, 610117615, 976188184, 1220235230, 2440470460, 4880940920, 5247011489, 10494022978, 20988045956, 26235057445, 41976091912, 52470114890, 104940229780, 209880459560]

約数ペア:

[(1, 209880459560), (2, 104940229780), (4, 52470114890), (5, 41976091912), (8, 26235057445), (10, 20988045956), (20, 10494022978), (40, 5247011489), (43, 4880940920), (86, 2440470460), (172, 1220235230), (215, 976188184), (344, 610117615), (430, 488094092), (860, 244047046), (1720, 122023523)]