1323315920

素因数分解:

$2^4\times 5^1\times {\mathrm{16541449}}^1$

素因数の和:16541462

約数の個数: 20

約数和(自身を含む): 3076709700

約数和(自身を除く): 1753393780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16541449, 33082898, 66165796, 82707245, 132331592, 165414490, 264663184, 330828980, 661657960, 1323315920]

約数ペア:

[(1, 1323315920), (2, 661657960), (4, 330828980), (5, 264663184), (8, 165414490), (10, 132331592), (16, 82707245), (20, 66165796), (40, 33082898), (80, 16541449)]