4131980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5039}}^1$

素因数の和:5089

約数の個数: 24

約数和(自身を含む): 8890560

約数和(自身を除く): 4758580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 5039, 10078, 20156, 25195, 50390, 100780, 206599, 413198, 826396, 1032995, 2065990, 4131980]

約数ペア:

[(1, 4131980), (2, 2065990), (4, 1032995), (5, 826396), (10, 413198), (20, 206599), (41, 100780), (82, 50390), (164, 25195), (205, 20156), (410, 10078), (820, 5039)]