1389360080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{755087}}^1$

素因数の和:755123

約数の個数: 40

約数和(自身を含む): 3370712832

約数和(自身を除く): 1981352752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 755087, 1510174, 3020348, 3775435, 6040696, 7550870, 12081392, 15101740, 17367001, 30203480, 34734002, 60406960, 69468004, 86835005, 138936008, 173670010, 277872016, 347340020, 694680040, 1389360080]

約数ペア:

[(1, 1389360080), (2, 694680040), (4, 347340020), (5, 277872016), (8, 173670010), (10, 138936008), (16, 86835005), (20, 69468004), (23, 60406960), (40, 34734002), (46, 30203480), (80, 17367001), (92, 15101740), (115, 12081392), (184, 7550870), (230, 6040696), (368, 3775435), (460, 3020348), (920, 1510174), (1840, 755087)]