25661780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67531}}^1$

素因数の和:67559

約数の個数: 24

約数和(自身を含む): 56726880

約数和(自身を除く): 31065100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67531, 135062, 270124, 337655, 675310, 1283089, 1350620, 2566178, 5132356, 6415445, 12830890, 25661780]

約数ペア:

[(1, 25661780), (2, 12830890), (4, 6415445), (5, 5132356), (10, 2566178), (19, 1350620), (20, 1283089), (38, 675310), (76, 337655), (95, 270124), (190, 135062), (380, 67531)]