17175920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4993}}^1$

素因数の和:5049

約数の個数: 40

約数和(自身を含む): 40870896

約数和(自身を除く): 23694976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 199720, 214699, 399440, 429398, 858796, 1073495, 1717592, 2146990, 3435184, 4293980, 8587960, 17175920]

約数ペア:

[(1, 17175920), (2, 8587960), (4, 4293980), (5, 3435184), (8, 2146990), (10, 1717592), (16, 1073495), (20, 858796), (40, 429398), (43, 399440), (80, 214699), (86, 199720), (172, 99860), (215, 79888), (344, 49930), (430, 39944), (688, 24965), (860, 19972), (1720, 9986), (3440, 4993)]