259316080

素因数分解:

$2^4\times 5^1\times {\mathrm{3241451}}^1$

素因数の和:3241464

約数の個数: 20

約数和(自身を含む): 602910072

約数和(自身を除く): 343593992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3241451, 6482902, 12965804, 16207255, 25931608, 32414510, 51863216, 64829020, 129658040, 259316080]

約数ペア:

[(1, 259316080), (2, 129658040), (4, 64829020), (5, 51863216), (8, 32414510), (10, 25931608), (16, 16207255), (20, 12965804), (40, 6482902), (80, 3241451)]