2494840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 5680080

約数和(自身を除く): 3185240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 643, 776, 970, 1286, 1940, 2572, 3215, 3880, 5144, 6430, 12860, 25720, 62371, 124742, 249484, 311855, 498968, 623710, 1247420, 2494840]

約数ペア:

[(1, 2494840), (2, 1247420), (4, 623710), (5, 498968), (8, 311855), (10, 249484), (20, 124742), (40, 62371), (97, 25720), (194, 12860), (388, 6430), (485, 5144), (643, 3880), (776, 3215), (970, 2572), (1286, 1940)]