2017660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 4294080

約数和(自身を除く): 2276420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1277, 1580, 2554, 5108, 6385, 12770, 25540, 100883, 201766, 403532, 504415, 1008830, 2017660]

約数ペア:

[(1, 2017660), (2, 1008830), (4, 504415), (5, 403532), (10, 201766), (20, 100883), (79, 25540), (158, 12770), (316, 6385), (395, 5108), (790, 2554), (1277, 1580)]