667047680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40087}}^1$

素因数の和:40121

約数の個数: 72

約数和(自身を含む): 1720737312

約数和(自身を除く): 1053689632

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, 2080, 3328, 4160, 8320, 16640, 40087, 80174, 160348, 200435, 320696, 400870, 521131, 641392, 801740, 1042262, 1282784, 1603480, 2084524, 2565568, 2605655, 3206960, 4169048, 5131136, 5211310, 6413920, 8338096, 10262272, 10422620, 12827840, 16676192, 20845240, 25655680, 33352384, 41690480, 51311360, 66704768, 83380960, 133409536, 166761920, 333523840, 667047680]

約数ペア:

[(1, 667047680), (2, 333523840), (4, 166761920), (5, 133409536), (8, 83380960), (10, 66704768), (13, 51311360), (16, 41690480), (20, 33352384), (26, 25655680), (32, 20845240), (40, 16676192), (52, 12827840), (64, 10422620), (65, 10262272), (80, 8338096), (104, 6413920), (128, 5211310), (130, 5131136), (160, 4169048), (208, 3206960), (256, 2605655), (260, 2565568), (320, 2084524), (416, 1603480), (520, 1282784), (640, 1042262), (832, 801740), (1040, 641392), (1280, 521131), (1664, 400870), (2080, 320696), (3328, 200435), (4160, 160348), (8320, 80174), (16640, 40087)]