28271360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 72970800

約数和(自身を除く): 44699440

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, 520, 640, 832, 1040, 1280, 1664, 1699, 2080, 3328, 3398, 4160, 6796, 8320, 8495, 13592, 16640, 16990, 22087, 27184, 33980, 44174, 54368, 67960, 88348, 108736, 110435, 135920, 176696, 217472, 220870, 271840, 353392, 434944, 441740, 543680, 706784, 883480, 1087360, 1413568, 1766960, 2174720, 2827136, 3533920, 5654272, 7067840, 14135680, 28271360]

約数ペア:

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