25769168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 56544000

約数和(自身を除く): 30774832

約数列:

[1, 2, 4, 8, 16, 19, 29, 37, 38, 58, 74, 76, 79, 116, 148, 152, 158, 232, 296, 304, 316, 464, 551, 592, 632, 703, 1073, 1102, 1264, 1406, 1501, 2146, 2204, 2291, 2812, 2923, 3002, 4292, 4408, 4582, 5624, 5846, 6004, 8584, 8816, 9164, 11248, 11692, 12008, 17168, 18328, 20387, 23384, 24016, 36656, 40774, 43529, 46768, 55537, 81548, 84767, 87058, 111074, 163096, 169534, 174116, 222148, 326192, 339068, 348232, 444296, 678136, 696464, 888592, 1356272, 1610573, 3221146, 6442292, 12884584, 25769168]

約数ペア:

[(1, 25769168), (2, 12884584), (4, 6442292), (8, 3221146), (16, 1610573), (19, 1356272), (29, 888592), (37, 696464), (38, 678136), (58, 444296), (74, 348232), (76, 339068), (79, 326192), (116, 222148), (148, 174116), (152, 169534), (158, 163096), (232, 111074), (296, 87058), (304, 84767), (316, 81548), (464, 55537), (551, 46768), (592, 43529), (632, 40774), (703, 36656), (1073, 24016), (1102, 23384), (1264, 20387), (1406, 18328), (1501, 17168), (2146, 12008), (2204, 11692), (2291, 11248), (2812, 9164), (2923, 8816), (3002, 8584), (4292, 6004), (4408, 5846), (4582, 5624)]