40021968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 118849536

約数和(自身を除く): 78827568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 311, 336, 383, 622, 766, 933, 1149, 1244, 1532, 1866, 2177, 2298, 2488, 2681, 3064, 3732, 4354, 4596, 4976, 5362, 6128, 6531, 7464, 8043, 8708, 9192, 10724, 13062, 14928, 16086, 17416, 18384, 21448, 26124, 32172, 34832, 42896, 52248, 64344, 104496, 119113, 128688, 238226, 357339, 476452, 714678, 833791, 952904, 1429356, 1667582, 1905808, 2501373, 2858712, 3335164, 5002746, 5717424, 6670328, 10005492, 13340656, 20010984, 40021968]

約数ペア:

[(1, 40021968), (2, 20010984), (3, 13340656), (4, 10005492), (6, 6670328), (7, 5717424), (8, 5002746), (12, 3335164), (14, 2858712), (16, 2501373), (21, 1905808), (24, 1667582), (28, 1429356), (42, 952904), (48, 833791), (56, 714678), (84, 476452), (112, 357339), (168, 238226), (311, 128688), (336, 119113), (383, 104496), (622, 64344), (766, 52248), (933, 42896), (1149, 34832), (1244, 32172), (1532, 26124), (1866, 21448), (2177, 18384), (2298, 17416), (2488, 16086), (2681, 14928), (3064, 13062), (3732, 10724), (4354, 9192), (4596, 8708), (4976, 8043), (5362, 7464), (6128, 6531)]