320438896

素因数分解:

$2^4\times {\mathrm{1109}}^1\times {\mathrm{18059}}^1$

素因数の和:19176

約数の個数: 20

約数和(自身を含む): 621444600

約数和(自身を除く): 301005704

約数列:

[1, 2, 4, 8, 16, 1109, 2218, 4436, 8872, 17744, 18059, 36118, 72236, 144472, 288944, 20027431, 40054862, 80109724, 160219448, 320438896]

約数ペア:

[(1, 320438896), (2, 160219448), (4, 80109724), (8, 40054862), (16, 20027431), (1109, 288944), (2218, 144472), (4436, 72236), (8872, 36118), (17744, 18059)]