80873968

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1123}}^1$

素因数の和:1781

約数の個数: 40

約数和(自身を含む): 179516288

約数和(自身を除く): 98642320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 1123, 1286, 2246, 2572, 4492, 4501, 5144, 7861, 8984, 9002, 10288, 15722, 17968, 18004, 31444, 36008, 62888, 72016, 125776, 722089, 1444178, 2888356, 5054623, 5776712, 10109246, 11553424, 20218492, 40436984, 80873968]

約数ペア:

[(1, 80873968), (2, 40436984), (4, 20218492), (7, 11553424), (8, 10109246), (14, 5776712), (16, 5054623), (28, 2888356), (56, 1444178), (112, 722089), (643, 125776), (1123, 72016), (1286, 62888), (2246, 36008), (2572, 31444), (4492, 18004), (4501, 17968), (5144, 15722), (7861, 10288), (8984, 9002)]