31719040

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1757

約数の個数: 64

約数和(自身を含む): 78489000

約数和(自身を除く): 46769960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1709, 1856, 2320, 3418, 3712, 4640, 6836, 8545, 9280, 13672, 17090, 18560, 27344, 34180, 49561, 54688, 68360, 99122, 109376, 136720, 198244, 218752, 247805, 273440, 396488, 495610, 546880, 792976, 991220, 1093760, 1585952, 1982440, 3171904, 3964880, 6343808, 7929760, 15859520, 31719040]

約数ペア:

[(1, 31719040), (2, 15859520), (4, 7929760), (5, 6343808), (8, 3964880), (10, 3171904), (16, 1982440), (20, 1585952), (29, 1093760), (32, 991220), (40, 792976), (58, 546880), (64, 495610), (80, 396488), (116, 273440), (128, 247805), (145, 218752), (160, 198244), (232, 136720), (290, 109376), (320, 99122), (464, 68360), (580, 54688), (640, 49561), (928, 34180), (1160, 27344), (1709, 18560), (1856, 17090), (2320, 13672), (3418, 9280), (3712, 8545), (4640, 6836)]