124401560

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15787}}^1$

素因数の和:15995

約数の個数: 32

約数和(自身を含む): 281342160

約数和(自身を除く): 156940600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 15787, 31574, 63148, 78935, 126296, 157870, 315740, 631480, 3110039, 6220078, 12440156, 15550195, 24880312, 31100390, 62200780, 124401560]

約数ペア:

[(1, 124401560), (2, 62200780), (4, 31100390), (5, 24880312), (8, 15550195), (10, 12440156), (20, 6220078), (40, 3110039), (197, 631480), (394, 315740), (788, 157870), (985, 126296), (1576, 78935), (1970, 63148), (3940, 31574), (7880, 15787)]