51735040

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2887}}^1$

素因数の和:2917

約数の個数: 80

約数和(自身を含む): 141812352

約数和(自身を除く): 90077312

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, 1120, 1280, 1792, 2240, 2560, 2887, 3584, 4480, 5774, 8960, 11548, 14435, 17920, 20209, 23096, 28870, 40418, 46192, 57740, 80836, 92384, 101045, 115480, 161672, 184768, 202090, 230960, 323344, 369536, 404180, 461920, 646688, 739072, 808360, 923840, 1293376, 1478144, 1616720, 1847680, 2586752, 3233440, 3695360, 5173504, 6466880, 7390720, 10347008, 12933760, 25867520, 51735040]

約数ペア:

[(1, 51735040), (2, 25867520), (4, 12933760), (5, 10347008), (7, 7390720), (8, 6466880), (10, 5173504), (14, 3695360), (16, 3233440), (20, 2586752), (28, 1847680), (32, 1616720), (35, 1478144), (40, 1293376), (56, 923840), (64, 808360), (70, 739072), (80, 646688), (112, 461920), (128, 404180), (140, 369536), (160, 323344), (224, 230960), (256, 202090), (280, 184768), (320, 161672), (448, 115480), (512, 101045), (560, 92384), (640, 80836), (896, 57740), (1120, 46192), (1280, 40418), (1792, 28870), (2240, 23096), (2560, 20209), (2887, 17920), (3584, 14435), (4480, 11548), (5774, 8960)]