66163840

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 160637760

約数和(自身を除く): 94473920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1543, 2144, 2680, 3086, 4288, 5360, 6172, 7715, 8576, 10720, 12344, 15430, 21440, 24688, 30860, 42880, 49376, 61720, 98752, 103381, 123440, 197504, 206762, 246880, 413524, 493760, 516905, 827048, 987520, 1033810, 1654096, 2067620, 3308192, 4135240, 6616384, 8270480, 13232768, 16540960, 33081920, 66163840]

約数ペア:

[(1, 66163840), (2, 33081920), (4, 16540960), (5, 13232768), (8, 8270480), (10, 6616384), (16, 4135240), (20, 3308192), (32, 2067620), (40, 1654096), (64, 1033810), (67, 987520), (80, 827048), (128, 516905), (134, 493760), (160, 413524), (268, 246880), (320, 206762), (335, 197504), (536, 123440), (640, 103381), (670, 98752), (1072, 61720), (1340, 49376), (1543, 42880), (2144, 30860), (2680, 24688), (3086, 21440), (4288, 15430), (5360, 12344), (6172, 10720), (7715, 8576)]