12289120

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 17104160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 863, 890, 1424, 1726, 1780, 2848, 3452, 3560, 4315, 6904, 7120, 8630, 13808, 14240, 17260, 27616, 34520, 69040, 76807, 138080, 153614, 307228, 384035, 614456, 768070, 1228912, 1536140, 2457824, 3072280, 6144560, 12289120]

約数ペア:

[(1, 12289120), (2, 6144560), (4, 3072280), (5, 2457824), (8, 1536140), (10, 1228912), (16, 768070), (20, 614456), (32, 384035), (40, 307228), (80, 153614), (89, 138080), (160, 76807), (178, 69040), (356, 34520), (445, 27616), (712, 17260), (863, 14240), (890, 13808), (1424, 8630), (1726, 7120), (1780, 6904), (2848, 4315), (3452, 3560)]