207984080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{38803}}^1$

素因数の和:38883

約数の個数: 40

約数和(自身を含む): 490792992

約数和(自身を除く): 282808912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 38803, 77606, 155212, 194015, 310424, 388030, 620848, 776060, 1552120, 2599801, 3104240, 5199602, 10399204, 12999005, 20798408, 25998010, 41596816, 51996020, 103992040, 207984080]

約数ペア:

[(1, 207984080), (2, 103992040), (4, 51996020), (5, 41596816), (8, 25998010), (10, 20798408), (16, 12999005), (20, 10399204), (40, 5199602), (67, 3104240), (80, 2599801), (134, 1552120), (268, 776060), (335, 620848), (536, 388030), (670, 310424), (1072, 194015), (1340, 155212), (2680, 77606), (5360, 38803)]