2011999840

素因数分解:

$2^5\times 5^1\times {\mathrm{887}}^1\times {\mathrm{14177}}^1$

素因数の和:15079

約数の個数: 48

約数和(自身を含む): 4759044192

約数和(自身を除く): 2747044352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 887, 1774, 3548, 4435, 7096, 8870, 14177, 14192, 17740, 28354, 28384, 35480, 56708, 70885, 70960, 113416, 141770, 141920, 226832, 283540, 453664, 567080, 1134160, 2268320, 12574999, 25149998, 50299996, 62874995, 100599992, 125749990, 201199984, 251499980, 402399968, 502999960, 1005999920, 2011999840]

約数ペア:

[(1, 2011999840), (2, 1005999920), (4, 502999960), (5, 402399968), (8, 251499980), (10, 201199984), (16, 125749990), (20, 100599992), (32, 62874995), (40, 50299996), (80, 25149998), (160, 12574999), (887, 2268320), (1774, 1134160), (3548, 567080), (4435, 453664), (7096, 283540), (8870, 226832), (14177, 141920), (14192, 141770), (17740, 113416), (28354, 70960), (28384, 70885), (35480, 56708)]