12497480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3221}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 28418040

約数和(自身を除く): 15920560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3221, 3880, 6442, 12884, 16105, 25768, 32210, 64420, 128840, 312437, 624874, 1249748, 1562185, 2499496, 3124370, 6248740, 12497480]

約数ペア:

[(1, 12497480), (2, 6248740), (4, 3124370), (5, 2499496), (8, 1562185), (10, 1249748), (20, 624874), (40, 312437), (97, 128840), (194, 64420), (388, 32210), (485, 25768), (776, 16105), (970, 12884), (1940, 6442), (3221, 3880)]