25066280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3181}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 56703240

約数和(自身を除く): 31636960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3181, 3940, 6362, 7880, 12724, 15905, 25448, 31810, 63620, 127240, 626657, 1253314, 2506628, 3133285, 5013256, 6266570, 12533140, 25066280]

約数ペア:

[(1, 25066280), (2, 12533140), (4, 6266570), (5, 5013256), (8, 3133285), (10, 2506628), (20, 1253314), (40, 626657), (197, 127240), (394, 63620), (788, 31810), (985, 25448), (1576, 15905), (1970, 12724), (3181, 7880), (3940, 6362)]