64039040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 169646400

約数和(自身を除く): 105607360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 179, 208, 215, 260, 320, 344, 358, 416, 430, 520, 559, 640, 688, 716, 832, 860, 895, 1040, 1118, 1376, 1432, 1664, 1720, 1790, 2080, 2236, 2327, 2752, 2795, 2864, 3440, 3580, 4160, 4472, 4654, 5504, 5590, 5728, 6880, 7160, 7697, 8320, 8944, 9308, 11180, 11456, 11635, 13760, 14320, 15394, 17888, 18616, 22360, 22912, 23270, 27520, 28640, 30788, 35776, 37232, 38485, 44720, 46540, 57280, 61576, 71552, 74464, 76970, 89440, 93080, 100061, 114560, 123152, 148928, 153940, 178880, 186160, 200122, 246304, 297856, 307880, 357760, 372320, 400244, 492608, 500305, 615760, 744640, 800488, 985216, 1000610, 1231520, 1489280, 1600976, 2001220, 2463040, 3201952, 4002440, 4926080, 6403904, 8004880, 12807808, 16009760, 32019520, 64039040]

約数ペア:

[(1, 64039040), (2, 32019520), (4, 16009760), (5, 12807808), (8, 8004880), (10, 6403904), (13, 4926080), (16, 4002440), (20, 3201952), (26, 2463040), (32, 2001220), (40, 1600976), (43, 1489280), (52, 1231520), (64, 1000610), (65, 985216), (80, 800488), (86, 744640), (104, 615760), (128, 500305), (130, 492608), (160, 400244), (172, 372320), (179, 357760), (208, 307880), (215, 297856), (260, 246304), (320, 200122), (344, 186160), (358, 178880), (416, 153940), (430, 148928), (520, 123152), (559, 114560), (640, 100061), (688, 93080), (716, 89440), (832, 76970), (860, 74464), (895, 71552), (1040, 61576), (1118, 57280), (1376, 46540), (1432, 44720), (1664, 38485), (1720, 37232), (1790, 35776), (2080, 30788), (2236, 28640), (2327, 27520), (2752, 23270), (2795, 22912), (2864, 22360), (3440, 18616), (3580, 17888), (4160, 15394), (4472, 14320), (4654, 13760), (5504, 11635), (5590, 11456), (5728, 11180), (6880, 9308), (7160, 8944), (7697, 8320)]