66635120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 162156288

約数和(自身を除く): 95521168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 277, 310, 388, 485, 496, 554, 620, 776, 970, 1108, 1240, 1385, 1552, 1940, 2216, 2480, 2770, 3007, 3880, 4432, 5540, 6014, 7760, 8587, 11080, 12028, 15035, 17174, 22160, 24056, 26869, 30070, 34348, 42935, 48112, 53738, 60140, 68696, 85870, 107476, 120280, 134345, 137392, 171740, 214952, 240560, 268690, 343480, 429904, 537380, 686960, 832939, 1074760, 1665878, 2149520, 3331756, 4164695, 6663512, 8329390, 13327024, 16658780, 33317560, 66635120]

約数ペア:

[(1, 66635120), (2, 33317560), (4, 16658780), (5, 13327024), (8, 8329390), (10, 6663512), (16, 4164695), (20, 3331756), (31, 2149520), (40, 1665878), (62, 1074760), (80, 832939), (97, 686960), (124, 537380), (155, 429904), (194, 343480), (248, 268690), (277, 240560), (310, 214952), (388, 171740), (485, 137392), (496, 134345), (554, 120280), (620, 107476), (776, 85870), (970, 68696), (1108, 60140), (1240, 53738), (1385, 48112), (1552, 42935), (1940, 34348), (2216, 30070), (2480, 26869), (2770, 24056), (3007, 22160), (3880, 17174), (4432, 15035), (5540, 12028), (6014, 11080), (7760, 8587)]