1248080

素因数分解:

$2^4\times 5^1\times {\mathrm{15601}}^1$

素因数の和:15614

約数の個数: 20

約数和(自身を含む): 2901972

約数和(自身を除く): 1653892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15601, 31202, 62404, 78005, 124808, 156010, 249616, 312020, 624040, 1248080]

約数ペア:

[(1, 1248080), (2, 624040), (4, 312020), (5, 249616), (8, 156010), (10, 124808), (16, 78005), (20, 62404), (40, 31202), (80, 15601)]