28126580

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5077}}^1$

素因数の和:5363

約数の個数: 24

約数和(自身を含む): 59290728

約数和(自身を除く): 31164148

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5077, 5540, 10154, 20308, 25385, 50770, 101540, 1406329, 2812658, 5625316, 7031645, 14063290, 28126580]

約数ペア:

[(1, 28126580), (2, 14063290), (4, 7031645), (5, 5625316), (10, 2812658), (20, 1406329), (277, 101540), (554, 50770), (1108, 25385), (1385, 20308), (2770, 10154), (5077, 5540)]