25905425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 40414080

約数和(自身を除く): 14508655

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 175, 193, 295, 325, 413, 455, 767, 965, 1351, 1475, 2065, 2275, 2509, 3835, 4825, 5369, 6755, 10325, 11387, 12545, 17563, 19175, 26845, 33775, 56935, 62725, 79709, 87815, 134225, 148031, 284675, 398545, 439075, 740155, 1036217, 1992725, 3700775, 5181085, 25905425]

約数ペア:

[(1, 25905425), (5, 5181085), (7, 3700775), (13, 1992725), (25, 1036217), (35, 740155), (59, 439075), (65, 398545), (91, 284675), (175, 148031), (193, 134225), (295, 87815), (325, 79709), (413, 62725), (455, 56935), (767, 33775), (965, 26845), (1351, 19175), (1475, 17563), (2065, 12545), (2275, 11387), (2509, 10325), (3835, 6755), (4825, 5369)]