13001620

素因数分解:

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

素因数の和:650090

約数の個数: 12

約数和(自身を含む): 27303444

約数和(自身を除く): 14301824

約数列:

[1, 2, 4, 5, 10, 20, 650081, 1300162, 2600324, 3250405, 6500810, 13001620]

約数ペア:

[(1, 13001620), (2, 6500810), (4, 3250405), (5, 2600324), (10, 1300162), (20, 650081)]