79960720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142787}}^1$

素因数の和:142807

約数の個数: 40

約数和(自身を含む): 212468544

約数和(自身を除く): 132507824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142787, 285574, 571148, 713935, 999509, 1142296, 1427870, 1999018, 2284592, 2855740, 3998036, 4997545, 5711480, 7996072, 9995090, 11422960, 15992144, 19990180, 39980360, 79960720]

約数ペア:

[(1, 79960720), (2, 39980360), (4, 19990180), (5, 15992144), (7, 11422960), (8, 9995090), (10, 7996072), (14, 5711480), (16, 4997545), (20, 3998036), (28, 2855740), (35, 2284592), (40, 1999018), (56, 1427870), (70, 1142296), (80, 999509), (112, 713935), (140, 571148), (280, 285574), (560, 142787)]