25390945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 8356895

約数列:

[1, 5, 17, 59, 61, 83, 85, 295, 305, 415, 1003, 1037, 1411, 3599, 4897, 5015, 5063, 5185, 7055, 17995, 24485, 25315, 61183, 83249, 86071, 298717, 305915, 416245, 430355, 1493585, 5078189, 25390945]

約数ペア:

[(1, 25390945), (5, 5078189), (17, 1493585), (59, 430355), (61, 416245), (83, 305915), (85, 298717), (295, 86071), (305, 83249), (415, 61183), (1003, 25315), (1037, 24485), (1411, 17995), (3599, 7055), (4897, 5185), (5015, 5063)]