17967684040

素因数分解:

$2^3\times 5^1\times {\mathrm{10211}}^1\times {\mathrm{43991}}^1$

素因数の和:54213

約数の個数: 32

約数和(自身を含む): 40432167360

約数和(自身を除く): 22464483320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10211, 20422, 40844, 43991, 51055, 81688, 87982, 102110, 175964, 204220, 219955, 351928, 408440, 439910, 879820, 1759640, 449192101, 898384202, 1796768404, 2245960505, 3593536808, 4491921010, 8983842020, 17967684040]

約数ペア:

[(1, 17967684040), (2, 8983842020), (4, 4491921010), (5, 3593536808), (8, 2245960505), (10, 1796768404), (20, 898384202), (40, 449192101), (10211, 1759640), (20422, 879820), (40844, 439910), (43991, 408440), (51055, 351928), (81688, 219955), (87982, 204220), (102110, 175964)]