140660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 318696

約数和(自身を除く): 178036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 1082, 2164, 2705, 5410, 7033, 10820, 14066, 28132, 35165, 70330, 140660]

約数ペア:

[(1, 140660), (2, 70330), (4, 35165), (5, 28132), (10, 14066), (13, 10820), (20, 7033), (26, 5410), (52, 2705), (65, 2164), (130, 1082), (260, 541)]