858887920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{976009}}^1$

素因数の和:976033

約数の個数: 40

約数和(自身を含む): 2178454320

約数和(自身を除く): 1319566400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 976009, 1952018, 3904036, 4880045, 7808072, 9760090, 10736099, 15616144, 19520180, 21472198, 39040360, 42944396, 53680495, 78080720, 85888792, 107360990, 171777584, 214721980, 429443960, 858887920]

約数ペア:

[(1, 858887920), (2, 429443960), (4, 214721980), (5, 171777584), (8, 107360990), (10, 85888792), (11, 78080720), (16, 53680495), (20, 42944396), (22, 39040360), (40, 21472198), (44, 19520180), (55, 15616144), (80, 10736099), (88, 9760090), (110, 7808072), (176, 4880045), (220, 3904036), (440, 1952018), (880, 976009)]