1244080

素因数分解:

$2^4\times 5^1\times {\mathrm{15551}}^1$

素因数の和:15564

約数の個数: 20

約数和(自身を含む): 2892672

約数和(自身を除く): 1648592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 622040, 1244080]

約数ペア:

[(1, 1244080), (2, 622040), (4, 311020), (5, 248816), (8, 155510), (10, 124408), (16, 77755), (20, 62204), (40, 31102), (80, 15551)]