7216120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 16426800

約数和(自身を除く): 9210680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2027, 3560, 4054, 8108, 10135, 16216, 20270, 40540, 81080, 180403, 360806, 721612, 902015, 1443224, 1804030, 3608060, 7216120]

約数ペア:

[(1, 7216120), (2, 3608060), (4, 1804030), (5, 1443224), (8, 902015), (10, 721612), (20, 360806), (40, 180403), (89, 81080), (178, 40540), (356, 20270), (445, 16216), (712, 10135), (890, 8108), (1780, 4054), (2027, 3560)]