65005220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1493}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 156619008

約数和(自身を除く): 91613788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1493, 1555, 2177, 2986, 3110, 4354, 5972, 6220, 7465, 8708, 10451, 10885, 14930, 20902, 21770, 29860, 41804, 43540, 52255, 104510, 209020, 464323, 928646, 1857292, 2321615, 3250261, 4643230, 6500522, 9286460, 13001044, 16251305, 32502610, 65005220]

約数ペア:

[(1, 65005220), (2, 32502610), (4, 16251305), (5, 13001044), (7, 9286460), (10, 6500522), (14, 4643230), (20, 3250261), (28, 2321615), (35, 1857292), (70, 928646), (140, 464323), (311, 209020), (622, 104510), (1244, 52255), (1493, 43540), (1555, 41804), (2177, 29860), (2986, 21770), (3110, 20902), (4354, 14930), (5972, 10885), (6220, 10451), (7465, 8708)]