25641004040

素因数分解:

$2^3\times 5^1\times {\mathrm{18127}}^1\times {\mathrm{35363}}^1$

素因数の和:53501

約数の個数: 32

約数和(自身を含む): 57697073280

約数和(自身を除く): 32056069240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18127, 35363, 36254, 70726, 72508, 90635, 141452, 145016, 176815, 181270, 282904, 353630, 362540, 707260, 725080, 1414520, 641025101, 1282050202, 2564100404, 3205125505, 5128200808, 6410251010, 12820502020, 25641004040]

約数ペア:

[(1, 25641004040), (2, 12820502020), (4, 6410251010), (5, 5128200808), (8, 3205125505), (10, 2564100404), (20, 1282050202), (40, 641025101), (18127, 1414520), (35363, 725080), (36254, 707260), (70726, 362540), (72508, 353630), (90635, 282904), (141452, 181270), (145016, 176815)]