2500780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6609

約数の個数: 24

約数和(自身を含む): 5528880

約数和(自身を除く): 3028100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6581, 13162, 26324, 32905, 65810, 125039, 131620, 250078, 500156, 625195, 1250390, 2500780]

約数ペア:

[(1, 2500780), (2, 1250390), (4, 625195), (5, 500156), (10, 250078), (19, 131620), (20, 125039), (38, 65810), (76, 32905), (95, 26324), (190, 13162), (380, 6581)]