21880076800

素因数分解:

$2^9\times 5^2\times {\mathrm{163}}^1\times {\mathrm{10487}}^1$

素因数の和:10678

約数の個数: 120

約数和(自身を含む): 54547374816

約数和(自身を除く): 32667298016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 163, 200, 256, 320, 326, 400, 512, 640, 652, 800, 815, 1280, 1304, 1600, 1630, 2560, 2608, 3200, 3260, 4075, 5216, 6400, 6520, 8150, 10432, 10487, 12800, 13040, 16300, 20864, 20974, 26080, 32600, 41728, 41948, 52160, 52435, 65200, 83456, 83896, 104320, 104870, 130400, 167792, 208640, 209740, 260800, 262175, 335584, 417280, 419480, 521600, 524350, 671168, 838960, 1043200, 1048700, 1342336, 1677920, 1709381, 2086400, 2097400, 2684672, 3355840, 3418762, 4194800, 5369344, 6711680, 6837524, 8389600, 8546905, 13423360, 13675048, 16779200, 17093810, 26846720, 27350096, 33558400, 34187620, 42734525, 54700192, 67116800, 68375240, 85469050, 109400384, 134233600, 136750480, 170938100, 218800768, 273500960, 341876200, 437601536, 547001920, 683752400, 875203072, 1094003840, 1367504800, 2188007680, 2735009600, 4376015360, 5470019200, 10940038400, 21880076800]

約数ペア:

[(1, 21880076800), (2, 10940038400), (4, 5470019200), (5, 4376015360), (8, 2735009600), (10, 2188007680), (16, 1367504800), (20, 1094003840), (25, 875203072), (32, 683752400), (40, 547001920), (50, 437601536), (64, 341876200), (80, 273500960), (100, 218800768), (128, 170938100), (160, 136750480), (163, 134233600), (200, 109400384), (256, 85469050), (320, 68375240), (326, 67116800), (400, 54700192), (512, 42734525), (640, 34187620), (652, 33558400), (800, 27350096), (815, 26846720), (1280, 17093810), (1304, 16779200), (1600, 13675048), (1630, 13423360), (2560, 8546905), (2608, 8389600), (3200, 6837524), (3260, 6711680), (4075, 5369344), (5216, 4194800), (6400, 3418762), (6520, 3355840), (8150, 2684672), (10432, 2097400), (10487, 2086400), (12800, 1709381), (13040, 1677920), (16300, 1342336), (20864, 1048700), (20974, 1043200), (26080, 838960), (32600, 671168), (41728, 524350), (41948, 521600), (52160, 419480), (52435, 417280), (65200, 335584), (83456, 262175), (83896, 260800), (104320, 209740), (104870, 208640), (130400, 167792)]