549725840

素因数分解:

$2^4\times 5^1\times {\mathrm{6871573}}^1$

素因数の和:6871586

約数の個数: 20

約数和(自身を含む): 1278112764

約数和(自身を除く): 728386924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6871573, 13743146, 27486292, 34357865, 54972584, 68715730, 109945168, 137431460, 274862920, 549725840]

約数ペア:

[(1, 549725840), (2, 274862920), (4, 137431460), (5, 109945168), (8, 68715730), (10, 54972584), (16, 34357865), (20, 27486292), (40, 13743146), (80, 6871573)]