251867120

素因数分解:

$2^4\times 5^1\times {\mathrm{3148339}}^1$

素因数の和:3148352

約数の個数: 20

約数和(自身を含む): 585591240

約数和(自身を除く): 333724120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3148339, 6296678, 12593356, 15741695, 25186712, 31483390, 50373424, 62966780, 125933560, 251867120]

約数ペア:

[(1, 251867120), (2, 125933560), (4, 62966780), (5, 50373424), (8, 31483390), (10, 25186712), (16, 15741695), (20, 12593356), (40, 6296678), (80, 3148339)]