6443620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 13608000

約数和(自身を除く): 7164380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1619, 1990, 3238, 3980, 6476, 8095, 16190, 32380, 322181, 644362, 1288724, 1610905, 3221810, 6443620]

約数ペア:

[(1, 6443620), (2, 3221810), (4, 1610905), (5, 1288724), (10, 644362), (20, 322181), (199, 32380), (398, 16190), (796, 8095), (995, 6476), (1619, 3980), (1990, 3238)]