1557040

素因数分解:

$2^4\times 5^1\times {\mathrm{19463}}^1$

素因数の和:19476

約数の個数: 20

約数和(自身を含む): 3620304

約数和(自身を除く): 2063264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19463, 38926, 77852, 97315, 155704, 194630, 311408, 389260, 778520, 1557040]

約数ペア:

[(1, 1557040), (2, 778520), (4, 389260), (5, 311408), (8, 194630), (10, 155704), (16, 97315), (20, 77852), (40, 38926), (80, 19463)]