39078400

素因数分解:

$2^9\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 100466784

約数和(自身を除く): 61388384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 71, 80, 86, 100, 128, 142, 160, 172, 200, 215, 256, 284, 320, 344, 355, 400, 430, 512, 568, 640, 688, 710, 800, 860, 1075, 1136, 1280, 1376, 1420, 1600, 1720, 1775, 2150, 2272, 2560, 2752, 2840, 3053, 3200, 3440, 3550, 4300, 4544, 5504, 5680, 6106, 6400, 6880, 7100, 8600, 9088, 11008, 11360, 12212, 12800, 13760, 14200, 15265, 17200, 18176, 22016, 22720, 24424, 27520, 28400, 30530, 34400, 36352, 45440, 48848, 55040, 56800, 61060, 68800, 76325, 90880, 97696, 110080, 113600, 122120, 137600, 152650, 181760, 195392, 227200, 244240, 275200, 305300, 390784, 454400, 488480, 550400, 610600, 781568, 908800, 976960, 1221200, 1563136, 1953920, 2442400, 3907840, 4884800, 7815680, 9769600, 19539200, 39078400]

約数ペア:

[(1, 39078400), (2, 19539200), (4, 9769600), (5, 7815680), (8, 4884800), (10, 3907840), (16, 2442400), (20, 1953920), (25, 1563136), (32, 1221200), (40, 976960), (43, 908800), (50, 781568), (64, 610600), (71, 550400), (80, 488480), (86, 454400), (100, 390784), (128, 305300), (142, 275200), (160, 244240), (172, 227200), (200, 195392), (215, 181760), (256, 152650), (284, 137600), (320, 122120), (344, 113600), (355, 110080), (400, 97696), (430, 90880), (512, 76325), (568, 68800), (640, 61060), (688, 56800), (710, 55040), (800, 48848), (860, 45440), (1075, 36352), (1136, 34400), (1280, 30530), (1376, 28400), (1420, 27520), (1600, 24424), (1720, 22720), (1775, 22016), (2150, 18176), (2272, 17200), (2560, 15265), (2752, 14200), (2840, 13760), (3053, 12800), (3200, 12212), (3440, 11360), (3550, 11008), (4300, 9088), (4544, 8600), (5504, 7100), (5680, 6880), (6106, 6400)]