2580821570

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{650081}}^1$

素因数の和:650485

約数の個数: 16

約数和(自身を含む): 4657187448

約数和(自身を除く): 2076365878

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 650081, 1300162, 3250405, 6500810, 258082157, 516164314, 1290410785, 2580821570]

約数ペア:

[(1, 2580821570), (2, 1290410785), (5, 516164314), (10, 258082157), (397, 6500810), (794, 3250405), (1985, 1300162), (3970, 650081)]