7961620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5039}}^1$

素因数の和:5127

約数の個数: 24

約数和(自身を含む): 16934400

約数和(自身を除く): 8972780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5039, 10078, 20156, 25195, 50390, 100780, 398081, 796162, 1592324, 1990405, 3980810, 7961620]

約数ペア:

[(1, 7961620), (2, 3980810), (4, 1990405), (5, 1592324), (10, 796162), (20, 398081), (79, 100780), (158, 50390), (316, 25195), (395, 20156), (790, 10078), (1580, 5039)]