403120

素因数分解:

$2^4\times 5^1\times {\mathrm{5039}}^1$

素因数の和:5052

約数の個数: 20

約数和(自身を含む): 937440

約数和(自身を除く): 534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5039, 10078, 20156, 25195, 40312, 50390, 80624, 100780, 201560, 403120]

約数ペア:

[(1, 403120), (2, 201560), (4, 100780), (5, 80624), (8, 50390), (10, 40312), (16, 25195), (20, 20156), (40, 10078), (80, 5039)]