89171680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 232382304

約数和(自身を除く): 143210624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 997, 1040, 1118, 1376, 1720, 1994, 2080, 2236, 2795, 3440, 3988, 4472, 4985, 5590, 6880, 7976, 8944, 9970, 11180, 12961, 15952, 17888, 19940, 22360, 25922, 31904, 39880, 42871, 44720, 51844, 64805, 79760, 85742, 89440, 103688, 129610, 159520, 171484, 207376, 214355, 259220, 342968, 414752, 428710, 518440, 557323, 685936, 857420, 1036880, 1114646, 1371872, 1714840, 2073760, 2229292, 2786615, 3429680, 4458584, 5573230, 6859360, 8917168, 11146460, 17834336, 22292920, 44585840, 89171680]

約数ペア:

[(1, 89171680), (2, 44585840), (4, 22292920), (5, 17834336), (8, 11146460), (10, 8917168), (13, 6859360), (16, 5573230), (20, 4458584), (26, 3429680), (32, 2786615), (40, 2229292), (43, 2073760), (52, 1714840), (65, 1371872), (80, 1114646), (86, 1036880), (104, 857420), (130, 685936), (160, 557323), (172, 518440), (208, 428710), (215, 414752), (260, 342968), (344, 259220), (416, 214355), (430, 207376), (520, 171484), (559, 159520), (688, 129610), (860, 103688), (997, 89440), (1040, 85742), (1118, 79760), (1376, 64805), (1720, 51844), (1994, 44720), (2080, 42871), (2236, 39880), (2795, 31904), (3440, 25922), (3988, 22360), (4472, 19940), (4985, 17888), (5590, 15952), (6880, 12961), (7976, 11180), (8944, 9970)]