8723660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 21047040

約数和(自身を除く): 12323380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2087, 2090, 4174, 4180, 8348, 10435, 20870, 22957, 39653, 41740, 45914, 79306, 91828, 114785, 158612, 198265, 229570, 396530, 436183, 459140, 793060, 872366, 1744732, 2180915, 4361830, 8723660]

約数ペア:

[(1, 8723660), (2, 4361830), (4, 2180915), (5, 1744732), (10, 872366), (11, 793060), (19, 459140), (20, 436183), (22, 396530), (38, 229570), (44, 198265), (55, 158612), (76, 114785), (95, 91828), (110, 79306), (190, 45914), (209, 41740), (220, 39653), (380, 22957), (418, 20870), (836, 10435), (1045, 8348), (2087, 4180), (2090, 4174)]