78814960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140741}}^1$

素因数の和:140761

約数の個数: 40

約数和(自身を含む): 209424096

約数和(自身を除く): 130609136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140741, 281482, 562964, 703705, 985187, 1125928, 1407410, 1970374, 2251856, 2814820, 3940748, 4925935, 5629640, 7881496, 9851870, 11259280, 15762992, 19703740, 39407480, 78814960]

約数ペア:

[(1, 78814960), (2, 39407480), (4, 19703740), (5, 15762992), (7, 11259280), (8, 9851870), (10, 7881496), (14, 5629640), (16, 4925935), (20, 3940748), (28, 2814820), (35, 2251856), (40, 1970374), (56, 1407410), (70, 1125928), (80, 985187), (112, 703705), (140, 562964), (280, 281482), (560, 140741)]