82421120

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1555

約数の個数: 64

約数和(自身を含む): 199389600

約数和(自身を除く): 116968480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1447, 1780, 2848, 2894, 3560, 5696, 5788, 7120, 7235, 11392, 11576, 14240, 14470, 23152, 28480, 28940, 46304, 56960, 57880, 92608, 115760, 128783, 185216, 231520, 257566, 463040, 515132, 643915, 926080, 1030264, 1287830, 2060528, 2575660, 4121056, 5151320, 8242112, 10302640, 16484224, 20605280, 41210560, 82421120]

約数ペア:

[(1, 82421120), (2, 41210560), (4, 20605280), (5, 16484224), (8, 10302640), (10, 8242112), (16, 5151320), (20, 4121056), (32, 2575660), (40, 2060528), (64, 1287830), (80, 1030264), (89, 926080), (128, 643915), (160, 515132), (178, 463040), (320, 257566), (356, 231520), (445, 185216), (640, 128783), (712, 115760), (890, 92608), (1424, 57880), (1447, 56960), (1780, 46304), (2848, 28940), (2894, 28480), (3560, 23152), (5696, 14470), (5788, 14240), (7120, 11576), (7235, 11392)]