10208080

素因数分解:

$2^4\times 5^1\times {\mathrm{127601}}^1$

素因数の和:127614

約数の個数: 20

約数和(自身を含む): 23733972

約数和(自身を除く): 13525892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127601, 255202, 510404, 638005, 1020808, 1276010, 2041616, 2552020, 5104040, 10208080]

約数ペア:

[(1, 10208080), (2, 5104040), (4, 2552020), (5, 2041616), (8, 1276010), (10, 1020808), (16, 638005), (20, 510404), (40, 255202), (80, 127601)]