39989985280

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{69737}}^1$

素因数の和:69777

約数の個数: 120

約数和(自身を含む): 109685042208

約数和(自身を除く): 69695056928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4096, 4480, 5120, 7168, 8192, 8960, 10240, 14336, 16384, 17920, 20480, 28672, 35840, 40960, 57344, 69737, 71680, 81920, 114688, 139474, 143360, 278948, 286720, 348685, 488159, 557896, 573440, 697370, 976318, 1115792, 1394740, 1952636, 2231584, 2440795, 2789480, 3905272, 4463168, 4881590, 5578960, 7810544, 8926336, 9763180, 11157920, 15621088, 17852672, 19526360, 22315840, 31242176, 35705344, 39052720, 44631680, 62484352, 71410688, 78105440, 89263360, 124968704, 142821376, 156210880, 178526720, 249937408, 285642752, 312421760, 357053440, 499874816, 571285504, 624843520, 714106880, 999749632, 1142571008, 1249687040, 1428213760, 1999499264, 2499374080, 2856427520, 3998998528, 4998748160, 5712855040, 7997997056, 9997496320, 19994992640, 39989985280]

約数ペア:

[(1, 39989985280), (2, 19994992640), (4, 9997496320), (5, 7997997056), (7, 5712855040), (8, 4998748160), (10, 3998998528), (14, 2856427520), (16, 2499374080), (20, 1999499264), (28, 1428213760), (32, 1249687040), (35, 1142571008), (40, 999749632), (56, 714106880), (64, 624843520), (70, 571285504), (80, 499874816), (112, 357053440), (128, 312421760), (140, 285642752), (160, 249937408), (224, 178526720), (256, 156210880), (280, 142821376), (320, 124968704), (448, 89263360), (512, 78105440), (560, 71410688), (640, 62484352), (896, 44631680), (1024, 39052720), (1120, 35705344), (1280, 31242176), (1792, 22315840), (2048, 19526360), (2240, 17852672), (2560, 15621088), (3584, 11157920), (4096, 9763180), (4480, 8926336), (5120, 7810544), (7168, 5578960), (8192, 4881590), (8960, 4463168), (10240, 3905272), (14336, 2789480), (16384, 2440795), (17920, 2231584), (20480, 1952636), (28672, 1394740), (35840, 1115792), (40960, 976318), (57344, 697370), (69737, 573440), (71680, 557896), (81920, 488159), (114688, 348685), (139474, 286720), (143360, 278948)]