12688960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2123

約数の個数: 56

約数和(自身を含む): 31821120

約数和(自身を除く): 19132160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 2087, 3040, 4174, 6080, 8348, 10435, 16696, 20870, 33392, 39653, 41740, 66784, 79306, 83480, 133568, 158612, 166960, 198265, 317224, 333920, 396530, 634448, 667840, 793060, 1268896, 1586120, 2537792, 3172240, 6344480, 12688960]

約数ペア:

[(1, 12688960), (2, 6344480), (4, 3172240), (5, 2537792), (8, 1586120), (10, 1268896), (16, 793060), (19, 667840), (20, 634448), (32, 396530), (38, 333920), (40, 317224), (64, 198265), (76, 166960), (80, 158612), (95, 133568), (152, 83480), (160, 79306), (190, 66784), (304, 41740), (320, 39653), (380, 33392), (608, 20870), (760, 16696), (1216, 10435), (1520, 8348), (2087, 6080), (3040, 4174)]