27903080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3541}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 63118440

約数和(自身を除く): 35215360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3541, 3940, 7082, 7880, 14164, 17705, 28328, 35410, 70820, 141640, 697577, 1395154, 2790308, 3487885, 5580616, 6975770, 13951540, 27903080]

約数ペア:

[(1, 27903080), (2, 13951540), (4, 6975770), (5, 5580616), (8, 3487885), (10, 2790308), (20, 1395154), (40, 697577), (197, 141640), (394, 70820), (788, 35410), (985, 28328), (1576, 17705), (1970, 14164), (3541, 7880), (3940, 7082)]