144632720

素因数分解:

$2^4\times 5^1\times {\mathrm{1807909}}^1$

素因数の和:1807922

約数の個数: 20

約数和(自身を含む): 336271260

約数和(自身を除く): 191638540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1807909, 3615818, 7231636, 9039545, 14463272, 18079090, 28926544, 36158180, 72316360, 144632720]

約数ペア:

[(1, 144632720), (2, 72316360), (4, 36158180), (5, 28926544), (8, 18079090), (10, 14463272), (16, 9039545), (20, 7231636), (40, 3615818), (80, 1807909)]