80208840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{668407}}^1$

素因数の和:668421

約数の個数: 32

約数和(自身を含む): 240626880

約数和(自身を除く): 160418040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 668407, 1336814, 2005221, 2673628, 3342035, 4010442, 5347256, 6684070, 8020884, 10026105, 13368140, 16041768, 20052210, 26736280, 40104420, 80208840]

約数ペア:

[(1, 80208840), (2, 40104420), (3, 26736280), (4, 20052210), (5, 16041768), (6, 13368140), (8, 10026105), (10, 8020884), (12, 6684070), (15, 5347256), (20, 4010442), (24, 3342035), (30, 2673628), (40, 2005221), (60, 1336814), (120, 668407)]