26587280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3049}}^1$

素因数の和:3171

約数の個数: 40

約数和(自身を含む): 62403000

約数和(自身を除く): 35815720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3049, 4360, 6098, 8720, 12196, 15245, 24392, 30490, 48784, 60980, 121960, 243920, 332341, 664682, 1329364, 1661705, 2658728, 3323410, 5317456, 6646820, 13293640, 26587280]

約数ペア:

[(1, 26587280), (2, 13293640), (4, 6646820), (5, 5317456), (8, 3323410), (10, 2658728), (16, 1661705), (20, 1329364), (40, 664682), (80, 332341), (109, 243920), (218, 121960), (436, 60980), (545, 48784), (872, 30490), (1090, 24392), (1744, 15245), (2180, 12196), (3049, 8720), (4360, 6098)]