6520660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4127}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 13870080

約数和(自身を除く): 7349420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4127, 8254, 16508, 20635, 41270, 82540, 326033, 652066, 1304132, 1630165, 3260330, 6520660]

約数ペア:

[(1, 6520660), (2, 3260330), (4, 1630165), (5, 1304132), (10, 652066), (20, 326033), (79, 82540), (158, 41270), (316, 20635), (395, 16508), (790, 8254), (1580, 4127)]