65007020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250027}}^1$

素因数の和:250049

約数の個数: 24

約数和(自身を含む): 147016464

約数和(自身を除く): 82009444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 250027, 500054, 1000108, 1250135, 2500270, 3250351, 5000540, 6500702, 13001404, 16251755, 32503510, 65007020]

約数ペア:

[(1, 65007020), (2, 32503510), (4, 16251755), (5, 13001404), (10, 6500702), (13, 5000540), (20, 3250351), (26, 2500270), (52, 1250135), (65, 1000108), (130, 500054), (260, 250027)]