1306660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 2782080

約数和(自身を除く): 1475420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 827, 1580, 1654, 3308, 4135, 8270, 16540, 65333, 130666, 261332, 326665, 653330, 1306660]

約数ペア:

[(1, 1306660), (2, 653330), (4, 326665), (5, 261332), (10, 130666), (20, 65333), (79, 16540), (158, 8270), (316, 4135), (395, 3308), (790, 1654), (827, 1580)]