549680

素因数分解:

$2^4\times 5^1\times {\mathrm{6871}}^1$

素因数の和:6884

約数の個数: 20

約数和(自身を含む): 1278192

約数和(自身を除く): 728512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6871, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 274840, 549680]

約数ペア:

[(1, 549680), (2, 274840), (4, 137420), (5, 109936), (8, 68710), (10, 54968), (16, 34355), (20, 27484), (40, 13742), (80, 6871)]