78126160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139511}}^1$

素因数の和:139531

約数の個数: 40

約数和(自身を含む): 207593856

約数和(自身を除く): 129467696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139511, 279022, 558044, 697555, 976577, 1116088, 1395110, 1953154, 2232176, 2790220, 3906308, 4882885, 5580440, 7812616, 9765770, 11160880, 15625232, 19531540, 39063080, 78126160]

約数ペア:

[(1, 78126160), (2, 39063080), (4, 19531540), (5, 15625232), (7, 11160880), (8, 9765770), (10, 7812616), (14, 5580440), (16, 4882885), (20, 3906308), (28, 2790220), (35, 2232176), (40, 1953154), (56, 1395110), (70, 1116088), (80, 976577), (112, 697555), (140, 558044), (280, 279022), (560, 139511)]