42040745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 55520640

約数和(自身を除く): 13479895

約数列:

[1, 5, 17, 59, 83, 85, 101, 295, 415, 505, 1003, 1411, 1717, 4897, 5015, 5959, 7055, 8383, 8585, 24485, 29795, 41915, 83249, 101303, 142511, 416245, 494597, 506515, 712555, 2472985, 8408149, 42040745]

約数ペア:

[(1, 42040745), (5, 8408149), (17, 2472985), (59, 712555), (83, 506515), (85, 494597), (101, 416245), (295, 142511), (415, 101303), (505, 83249), (1003, 41915), (1411, 29795), (1717, 24485), (4897, 8585), (5015, 8383), (5959, 7055)]