88961840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2418

約数の個数: 80

約数和(自身を含む): 230985216

約数和(自身を除く): 142023376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2351, 2365, 3440, 3784, 4702, 4730, 7568, 9404, 9460, 11755, 18808, 18920, 23510, 25861, 37616, 37840, 47020, 51722, 94040, 101093, 103444, 129305, 188080, 202186, 206888, 258610, 404372, 413776, 505465, 517220, 808744, 1010930, 1034440, 1112023, 1617488, 2021860, 2068880, 2224046, 4043720, 4448092, 5560115, 8087440, 8896184, 11120230, 17792368, 22240460, 44480920, 88961840]

約数ペア:

[(1, 88961840), (2, 44480920), (4, 22240460), (5, 17792368), (8, 11120230), (10, 8896184), (11, 8087440), (16, 5560115), (20, 4448092), (22, 4043720), (40, 2224046), (43, 2068880), (44, 2021860), (55, 1617488), (80, 1112023), (86, 1034440), (88, 1010930), (110, 808744), (172, 517220), (176, 505465), (215, 413776), (220, 404372), (344, 258610), (430, 206888), (440, 202186), (473, 188080), (688, 129305), (860, 103444), (880, 101093), (946, 94040), (1720, 51722), (1892, 47020), (2351, 37840), (2365, 37616), (3440, 25861), (3784, 23510), (4702, 18920), (4730, 18808), (7568, 11755), (9404, 9460)]