56542720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1735

約数の個数: 80

約数和(自身を含む): 146084400

約数和(自身を除く): 89541680

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, 832, 1040, 1280, 1664, 1699, 2080, 2560, 3328, 3398, 4160, 6656, 6796, 8320, 8495, 13592, 16640, 16990, 22087, 27184, 33280, 33980, 44174, 54368, 67960, 88348, 108736, 110435, 135920, 176696, 217472, 220870, 271840, 353392, 434944, 441740, 543680, 706784, 869888, 883480, 1087360, 1413568, 1766960, 2174720, 2827136, 3533920, 4349440, 5654272, 7067840, 11308544, 14135680, 28271360, 56542720]

約数ペア:

[(1, 56542720), (2, 28271360), (4, 14135680), (5, 11308544), (8, 7067840), (10, 5654272), (13, 4349440), (16, 3533920), (20, 2827136), (26, 2174720), (32, 1766960), (40, 1413568), (52, 1087360), (64, 883480), (65, 869888), (80, 706784), (104, 543680), (128, 441740), (130, 434944), (160, 353392), (208, 271840), (256, 220870), (260, 217472), (320, 176696), (416, 135920), (512, 110435), (520, 108736), (640, 88348), (832, 67960), (1040, 54368), (1280, 44174), (1664, 33980), (1699, 33280), (2080, 27184), (2560, 22087), (3328, 16990), (3398, 16640), (4160, 13592), (6656, 8495), (6796, 8320)]