26989120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 112

約数和(自身を含む): 70957440

約数和(自身を除く): 43968320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 193, 230, 304, 320, 368, 380, 386, 437, 460, 608, 736, 760, 772, 874, 920, 965, 1216, 1472, 1520, 1544, 1748, 1840, 1930, 2185, 3040, 3088, 3496, 3667, 3680, 3860, 4370, 4439, 6080, 6176, 6992, 7334, 7360, 7720, 8740, 8878, 12352, 13984, 14668, 15440, 17480, 17756, 18335, 22195, 27968, 29336, 30880, 34960, 35512, 36670, 44390, 58672, 61760, 69920, 71024, 73340, 84341, 88780, 117344, 139840, 142048, 146680, 168682, 177560, 234688, 284096, 293360, 337364, 355120, 421705, 586720, 674728, 710240, 843410, 1173440, 1349456, 1420480, 1686820, 2698912, 3373640, 5397824, 6747280, 13494560, 26989120]

約数ペア:

[(1, 26989120), (2, 13494560), (4, 6747280), (5, 5397824), (8, 3373640), (10, 2698912), (16, 1686820), (19, 1420480), (20, 1349456), (23, 1173440), (32, 843410), (38, 710240), (40, 674728), (46, 586720), (64, 421705), (76, 355120), (80, 337364), (92, 293360), (95, 284096), (115, 234688), (152, 177560), (160, 168682), (184, 146680), (190, 142048), (193, 139840), (230, 117344), (304, 88780), (320, 84341), (368, 73340), (380, 71024), (386, 69920), (437, 61760), (460, 58672), (608, 44390), (736, 36670), (760, 35512), (772, 34960), (874, 30880), (920, 29336), (965, 27968), (1216, 22195), (1472, 18335), (1520, 17756), (1544, 17480), (1748, 15440), (1840, 14668), (1930, 13984), (2185, 12352), (3040, 8878), (3088, 8740), (3496, 7720), (3667, 7360), (3680, 7334), (3860, 6992), (4370, 6176), (4439, 6080)]