205128214240

素因数分解:

$2^5\times 5^1\times {\mathrm{1282051339}}^1$

素因数の和:1282051354

約数の個数: 24

約数和(自身を含む): 484615406520

約数和(自身を除く): 279487192280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1282051339, 2564102678, 5128205356, 6410256695, 10256410712, 12820513390, 20512821424, 25641026780, 41025642848, 51282053560, 102564107120, 205128214240]

約数ペア:

[(1, 205128214240), (2, 102564107120), (4, 51282053560), (5, 41025642848), (8, 25641026780), (10, 20512821424), (16, 12820513390), (20, 10256410712), (32, 6410256695), (40, 5128205356), (80, 2564102678), (160, 1282051339)]