39879280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 115706880

約数和(自身を除く): 75827600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 59, 68, 70, 71, 80, 85, 112, 118, 119, 136, 140, 142, 170, 236, 238, 272, 280, 284, 295, 340, 355, 413, 472, 476, 497, 560, 568, 590, 595, 680, 710, 826, 944, 952, 994, 1003, 1136, 1180, 1190, 1207, 1360, 1420, 1652, 1904, 1988, 2006, 2065, 2360, 2380, 2414, 2485, 2840, 3304, 3976, 4012, 4130, 4189, 4720, 4760, 4828, 4970, 5015, 5680, 6035, 6608, 7021, 7952, 8024, 8260, 8378, 8449, 9520, 9656, 9940, 10030, 12070, 14042, 16048, 16520, 16756, 16898, 19312, 19880, 20060, 20945, 24140, 28084, 29323, 33040, 33512, 33796, 35105, 39760, 40120, 41890, 42245, 48280, 56168, 58646, 67024, 67592, 70210, 71213, 80240, 83780, 84490, 96560, 112336, 117292, 135184, 140420, 142426, 146615, 167560, 168980, 234584, 280840, 284852, 293230, 335120, 337960, 356065, 469168, 498491, 561680, 569704, 586460, 675920, 712130, 996982, 1139408, 1172920, 1424260, 1993964, 2345840, 2492455, 2848520, 3987928, 4984910, 5697040, 7975856, 9969820, 19939640, 39879280]

約数ペア:

[(1, 39879280), (2, 19939640), (4, 9969820), (5, 7975856), (7, 5697040), (8, 4984910), (10, 3987928), (14, 2848520), (16, 2492455), (17, 2345840), (20, 1993964), (28, 1424260), (34, 1172920), (35, 1139408), (40, 996982), (56, 712130), (59, 675920), (68, 586460), (70, 569704), (71, 561680), (80, 498491), (85, 469168), (112, 356065), (118, 337960), (119, 335120), (136, 293230), (140, 284852), (142, 280840), (170, 234584), (236, 168980), (238, 167560), (272, 146615), (280, 142426), (284, 140420), (295, 135184), (340, 117292), (355, 112336), (413, 96560), (472, 84490), (476, 83780), (497, 80240), (560, 71213), (568, 70210), (590, 67592), (595, 67024), (680, 58646), (710, 56168), (826, 48280), (944, 42245), (952, 41890), (994, 40120), (1003, 39760), (1136, 35105), (1180, 33796), (1190, 33512), (1207, 33040), (1360, 29323), (1420, 28084), (1652, 24140), (1904, 20945), (1988, 20060), (2006, 19880), (2065, 19312), (2360, 16898), (2380, 16756), (2414, 16520), (2485, 16048), (2840, 14042), (3304, 12070), (3976, 10030), (4012, 9940), (4130, 9656), (4189, 9520), (4720, 8449), (4760, 8378), (4828, 8260), (4970, 8024), (5015, 7952), (5680, 7021), (6035, 6608)]