26289890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 51926400

約数和(自身を除く): 25636510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1201, 1990, 2189, 2402, 4378, 6005, 10945, 12010, 13211, 21890, 26422, 66055, 132110, 238999, 477998, 1194995, 2389990, 2628989, 5257978, 13144945, 26289890]

約数ペア:

[(1, 26289890), (2, 13144945), (5, 5257978), (10, 2628989), (11, 2389990), (22, 1194995), (55, 477998), (110, 238999), (199, 132110), (398, 66055), (995, 26422), (1201, 21890), (1990, 13211), (2189, 12010), (2402, 10945), (4378, 6005)]