169488080

素因数分解:

$2^4\times 5^1\times {\mathrm{2118601}}^1$

素因数の和:2118614

約数の個数: 20

約数和(自身を含む): 394059972

約数和(自身を除く): 224571892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2118601, 4237202, 8474404, 10593005, 16948808, 21186010, 33897616, 42372020, 84744040, 169488080]

約数ペア:

[(1, 169488080), (2, 84744040), (4, 42372020), (5, 33897616), (8, 21186010), (10, 16948808), (16, 10593005), (20, 8474404), (40, 4237202), (80, 2118601)]