51176660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 111767040

約数和(自身を除く): 60590380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 419, 620, 788, 838, 985, 1676, 1970, 2095, 3940, 4190, 6107, 8380, 12214, 12989, 24428, 25978, 30535, 51956, 61070, 64945, 82543, 122140, 129890, 165086, 259780, 330172, 412715, 825430, 1650860, 2558833, 5117666, 10235332, 12794165, 25588330, 51176660]

約数ペア:

[(1, 51176660), (2, 25588330), (4, 12794165), (5, 10235332), (10, 5117666), (20, 2558833), (31, 1650860), (62, 825430), (124, 412715), (155, 330172), (197, 259780), (310, 165086), (394, 129890), (419, 122140), (620, 82543), (788, 64945), (838, 61070), (985, 51956), (1676, 30535), (1970, 25978), (2095, 24428), (3940, 12989), (4190, 12214), (6107, 8380)]