51047680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2139

約数の個数: 72

約数和(自身を含む): 128772000

約数和(自身を除く): 77724320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2099, 2432, 3040, 4198, 4864, 6080, 8396, 10495, 12160, 16792, 20990, 24320, 33584, 39881, 41980, 67168, 79762, 83960, 134336, 159524, 167920, 199405, 268672, 319048, 335840, 398810, 537344, 638096, 671680, 797620, 1276192, 1343360, 1595240, 2552384, 2686720, 3190480, 5104768, 6380960, 10209536, 12761920, 25523840, 51047680]

約数ペア:

[(1, 51047680), (2, 25523840), (4, 12761920), (5, 10209536), (8, 6380960), (10, 5104768), (16, 3190480), (19, 2686720), (20, 2552384), (32, 1595240), (38, 1343360), (40, 1276192), (64, 797620), (76, 671680), (80, 638096), (95, 537344), (128, 398810), (152, 335840), (160, 319048), (190, 268672), (256, 199405), (304, 167920), (320, 159524), (380, 134336), (608, 83960), (640, 79762), (760, 67168), (1216, 41980), (1280, 39881), (1520, 33584), (2099, 24320), (2432, 20990), (3040, 16792), (4198, 12160), (4864, 10495), (6080, 8396)]