2091520

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 80

約数和(自身を含む): 5401440

約数和(自身を除く): 3309920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 256, 304, 320, 344, 380, 430, 512, 608, 640, 688, 760, 817, 860, 1216, 1280, 1376, 1520, 1634, 1720, 2432, 2560, 2752, 3040, 3268, 3440, 4085, 4864, 5504, 6080, 6536, 6880, 8170, 9728, 11008, 12160, 13072, 13760, 16340, 22016, 24320, 26144, 27520, 32680, 48640, 52288, 55040, 65360, 104576, 110080, 130720, 209152, 261440, 418304, 522880, 1045760, 2091520]

約数ペア:

[(1, 2091520), (2, 1045760), (4, 522880), (5, 418304), (8, 261440), (10, 209152), (16, 130720), (19, 110080), (20, 104576), (32, 65360), (38, 55040), (40, 52288), (43, 48640), (64, 32680), (76, 27520), (80, 26144), (86, 24320), (95, 22016), (128, 16340), (152, 13760), (160, 13072), (172, 12160), (190, 11008), (215, 9728), (256, 8170), (304, 6880), (320, 6536), (344, 6080), (380, 5504), (430, 4864), (512, 4085), (608, 3440), (640, 3268), (688, 3040), (760, 2752), (817, 2560), (860, 2432), (1216, 1720), (1280, 1634), (1376, 1520)]