84962840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 199964160

約数和(自身を除く): 115001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1051, 1720, 1880, 2021, 2102, 4042, 4204, 5255, 8084, 8408, 10105, 10510, 16168, 20210, 21020, 40420, 42040, 45193, 49397, 80840, 90386, 98794, 180772, 197588, 225965, 246985, 361544, 395176, 451930, 493970, 903860, 987940, 1807720, 1975880, 2124071, 4248142, 8496284, 10620355, 16992568, 21240710, 42481420, 84962840]

約数ペア:

[(1, 84962840), (2, 42481420), (4, 21240710), (5, 16992568), (8, 10620355), (10, 8496284), (20, 4248142), (40, 2124071), (43, 1975880), (47, 1807720), (86, 987940), (94, 903860), (172, 493970), (188, 451930), (215, 395176), (235, 361544), (344, 246985), (376, 225965), (430, 197588), (470, 180772), (860, 98794), (940, 90386), (1051, 80840), (1720, 49397), (1880, 45193), (2021, 42040), (2102, 40420), (4042, 21020), (4204, 20210), (5255, 16168), (8084, 10510), (8408, 10105)]