39800320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2221}}^1$

素因数の和:2251

約数の個数: 80

約数和(自身を含む): 109109088

約数和(自身を除く): 69308768

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, 2221, 2240, 2560, 3584, 4442, 4480, 8884, 8960, 11105, 15547, 17768, 17920, 22210, 31094, 35536, 44420, 62188, 71072, 77735, 88840, 124376, 142144, 155470, 177680, 248752, 284288, 310940, 355360, 497504, 568576, 621880, 710720, 995008, 1137152, 1243760, 1421440, 1990016, 2487520, 2842880, 3980032, 4975040, 5685760, 7960064, 9950080, 19900160, 39800320]

約数ペア:

[(1, 39800320), (2, 19900160), (4, 9950080), (5, 7960064), (7, 5685760), (8, 4975040), (10, 3980032), (14, 2842880), (16, 2487520), (20, 1990016), (28, 1421440), (32, 1243760), (35, 1137152), (40, 995008), (56, 710720), (64, 621880), (70, 568576), (80, 497504), (112, 355360), (128, 310940), (140, 284288), (160, 248752), (224, 177680), (256, 155470), (280, 142144), (320, 124376), (448, 88840), (512, 77735), (560, 71072), (640, 62188), (896, 44420), (1120, 35536), (1280, 31094), (1792, 22210), (2221, 17920), (2240, 17768), (2560, 15547), (3584, 11105), (4442, 8960), (4480, 8884)]