87555520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 84

約数和(自身を含む): 225902520

約数和(自身を除く): 138347000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1619, 1690, 2080, 2704, 3238, 3380, 4160, 5408, 6476, 6760, 8095, 10816, 12952, 13520, 16190, 21047, 25904, 27040, 32380, 42094, 51808, 54080, 64760, 84188, 103616, 105235, 129520, 168376, 210470, 259040, 273611, 336752, 420940, 518080, 547222, 673504, 841880, 1094444, 1347008, 1368055, 1683760, 2188888, 2736110, 3367520, 4377776, 5472220, 6735040, 8755552, 10944440, 17511104, 21888880, 43777760, 87555520]

約数ペア:

[(1, 87555520), (2, 43777760), (4, 21888880), (5, 17511104), (8, 10944440), (10, 8755552), (13, 6735040), (16, 5472220), (20, 4377776), (26, 3367520), (32, 2736110), (40, 2188888), (52, 1683760), (64, 1368055), (65, 1347008), (80, 1094444), (104, 841880), (130, 673504), (160, 547222), (169, 518080), (208, 420940), (260, 336752), (320, 273611), (338, 259040), (416, 210470), (520, 168376), (676, 129520), (832, 105235), (845, 103616), (1040, 84188), (1352, 64760), (1619, 54080), (1690, 51808), (2080, 42094), (2704, 32380), (3238, 27040), (3380, 25904), (4160, 21047), (5408, 16190), (6476, 13520), (6760, 12952), (8095, 10816)]