25184025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 48940320

約数和(自身を除く): 23756295

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 137, 171, 215, 225, 285, 387, 411, 475, 645, 685, 817, 855, 1075, 1233, 1425, 1935, 2055, 2451, 2603, 3225, 3425, 4085, 4275, 5891, 6165, 7353, 7809, 9675, 10275, 12255, 13015, 17673, 20425, 23427, 29455, 30825, 36765, 39045, 53019, 61275, 65075, 88365, 111929, 117135, 147275, 183825, 195225, 265095, 335787, 441825, 559645, 585675, 1007361, 1325475, 1678935, 2798225, 5036805, 8394675, 25184025]

約数ペア:

[(1, 25184025), (3, 8394675), (5, 5036805), (9, 2798225), (15, 1678935), (19, 1325475), (25, 1007361), (43, 585675), (45, 559645), (57, 441825), (75, 335787), (95, 265095), (129, 195225), (137, 183825), (171, 147275), (215, 117135), (225, 111929), (285, 88365), (387, 65075), (411, 61275), (475, 53019), (645, 39045), (685, 36765), (817, 30825), (855, 29455), (1075, 23427), (1233, 20425), (1425, 17673), (1935, 13015), (2055, 12255), (2451, 10275), (2603, 9675), (3225, 7809), (3425, 7353), (4085, 6165), (4275, 5891)]