3948980720

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{255763}}^1$

素因数の和:255969

約数の個数: 40

約数和(自身を含む): 9228988176

約数和(自身を除く): 5280007456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 255763, 511526, 1023052, 1278815, 2046104, 2557630, 4092208, 5115260, 10230520, 20461040, 49362259, 98724518, 197449036, 246811295, 394898072, 493622590, 789796144, 987245180, 1974490360, 3948980720]

約数ペア:

[(1, 3948980720), (2, 1974490360), (4, 987245180), (5, 789796144), (8, 493622590), (10, 394898072), (16, 246811295), (20, 197449036), (40, 98724518), (80, 49362259), (193, 20461040), (386, 10230520), (772, 5115260), (965, 4092208), (1544, 2557630), (1930, 2046104), (3088, 1278815), (3860, 1023052), (7720, 511526), (15440, 255763)]