28579520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 112

約数和(自身を含む): 72956928

約数和(自身を除く): 44377408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 67, 80, 86, 124, 134, 155, 160, 172, 215, 248, 268, 310, 320, 335, 344, 430, 496, 536, 620, 670, 688, 860, 992, 1072, 1240, 1333, 1340, 1376, 1720, 1984, 2077, 2144, 2480, 2666, 2680, 2752, 2881, 3440, 4154, 4288, 4960, 5332, 5360, 5762, 6665, 6880, 8308, 9920, 10385, 10664, 10720, 11524, 13330, 13760, 14405, 16616, 20770, 21328, 21440, 23048, 26660, 28810, 33232, 41540, 42656, 46096, 53320, 57620, 66464, 83080, 85312, 89311, 92192, 106640, 115240, 132928, 166160, 178622, 184384, 213280, 230480, 332320, 357244, 426560, 446555, 460960, 664640, 714488, 893110, 921920, 1428976, 1786220, 2857952, 3572440, 5715904, 7144880, 14289760, 28579520]

約数ペア:

[(1, 28579520), (2, 14289760), (4, 7144880), (5, 5715904), (8, 3572440), (10, 2857952), (16, 1786220), (20, 1428976), (31, 921920), (32, 893110), (40, 714488), (43, 664640), (62, 460960), (64, 446555), (67, 426560), (80, 357244), (86, 332320), (124, 230480), (134, 213280), (155, 184384), (160, 178622), (172, 166160), (215, 132928), (248, 115240), (268, 106640), (310, 92192), (320, 89311), (335, 85312), (344, 83080), (430, 66464), (496, 57620), (536, 53320), (620, 46096), (670, 42656), (688, 41540), (860, 33232), (992, 28810), (1072, 26660), (1240, 23048), (1333, 21440), (1340, 21328), (1376, 20770), (1720, 16616), (1984, 14405), (2077, 13760), (2144, 13330), (2480, 11524), (2666, 10720), (2680, 10664), (2752, 10385), (2881, 9920), (3440, 8308), (4154, 6880), (4288, 6665), (4960, 5762), (5332, 5360)]