12821443280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1\times {\mathrm{1399}}^1$

素因数の和:2572

約数の個数: 80

約数和(自身を含む): 30133488000

約数和(自身を除く): 17312044720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1051, 1090, 1399, 1744, 2102, 2180, 2798, 4204, 4360, 5255, 5596, 6995, 8408, 8720, 10510, 11192, 13990, 16816, 21020, 22384, 27980, 42040, 55960, 84080, 111920, 114559, 152491, 229118, 304982, 458236, 572795, 609964, 762455, 916472, 1145590, 1219928, 1470349, 1524910, 1832944, 2291180, 2439856, 2940698, 3049820, 4582360, 5881396, 6099640, 7351745, 9164720, 11762792, 12199280, 14703490, 23525584, 29406980, 58813960, 117627920, 160268041, 320536082, 641072164, 801340205, 1282144328, 1602680410, 2564288656, 3205360820, 6410721640, 12821443280]

約数ペア:

[(1, 12821443280), (2, 6410721640), (4, 3205360820), (5, 2564288656), (8, 1602680410), (10, 1282144328), (16, 801340205), (20, 641072164), (40, 320536082), (80, 160268041), (109, 117627920), (218, 58813960), (436, 29406980), (545, 23525584), (872, 14703490), (1051, 12199280), (1090, 11762792), (1399, 9164720), (1744, 7351745), (2102, 6099640), (2180, 5881396), (2798, 4582360), (4204, 3049820), (4360, 2940698), (5255, 2439856), (5596, 2291180), (6995, 1832944), (8408, 1524910), (8720, 1470349), (10510, 1219928), (11192, 1145590), (13990, 916472), (16816, 762455), (21020, 609964), (22384, 572795), (27980, 458236), (42040, 304982), (55960, 229118), (84080, 152491), (111920, 114559)]