25523840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2137

約数の個数: 64

約数和(自身を含む): 64260000

約数和(自身を除く): 38736160

約数列:

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

約数ペア:

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