16380140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5087}}^1$

素因数の和:5126

約数の個数: 48

約数和(自身を含む): 41029632

約数和(自身を除く): 24649492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5087, 10174, 20348, 25435, 35609, 50870, 71218, 101740, 117001, 142436, 178045, 234002, 356090, 468004, 585005, 712180, 819007, 1170010, 1638014, 2340020, 3276028, 4095035, 8190070, 16380140]

約数ペア:

[(1, 16380140), (2, 8190070), (4, 4095035), (5, 3276028), (7, 2340020), (10, 1638014), (14, 1170010), (20, 819007), (23, 712180), (28, 585005), (35, 468004), (46, 356090), (70, 234002), (92, 178045), (115, 142436), (140, 117001), (161, 101740), (230, 71218), (322, 50870), (460, 35609), (644, 25435), (805, 20348), (1610, 10174), (3220, 5087)]