320436896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{770281}}^1$

素因数の和:770304

約数の個数: 24

約数和(自身を含む): 679388724

約数和(自身を除く): 358951828

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 770281, 1540562, 3081124, 6162248, 10013653, 12324496, 20027306, 24648992, 40054612, 80109224, 160218448, 320436896]

約数ペア:

[(1, 320436896), (2, 160218448), (4, 80109224), (8, 40054612), (13, 24648992), (16, 20027306), (26, 12324496), (32, 10013653), (52, 6162248), (104, 3081124), (208, 1540562), (416, 770281)]