26990080

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:847

約数の個数: 80

約数和(自身を含む): 69776784

約数和(自身を除く): 42786704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 811, 832, 1040, 1280, 1622, 1664, 2080, 2560, 3244, 3328, 4055, 4160, 6488, 6656, 8110, 8320, 10543, 12976, 16220, 16640, 21086, 25952, 32440, 33280, 42172, 51904, 52715, 64880, 84344, 103808, 105430, 129760, 168688, 207616, 210860, 259520, 337376, 415232, 421720, 519040, 674752, 843440, 1038080, 1349504, 1686880, 2076160, 2699008, 3373760, 5398016, 6747520, 13495040, 26990080]

約数ペア:

[(1, 26990080), (2, 13495040), (4, 6747520), (5, 5398016), (8, 3373760), (10, 2699008), (13, 2076160), (16, 1686880), (20, 1349504), (26, 1038080), (32, 843440), (40, 674752), (52, 519040), (64, 421720), (65, 415232), (80, 337376), (104, 259520), (128, 210860), (130, 207616), (160, 168688), (208, 129760), (256, 105430), (260, 103808), (320, 84344), (416, 64880), (512, 52715), (520, 51904), (640, 42172), (811, 33280), (832, 32440), (1040, 25952), (1280, 21086), (1622, 16640), (1664, 16220), (2080, 12976), (2560, 10543), (3244, 8320), (3328, 8110), (4055, 6656), (4160, 6488)]