1081040

素因数分解:

$2^4\times 5^1\times {\mathrm{13513}}^1$

素因数の和:13526

約数の個数: 20

約数和(自身を含む): 2513604

約数和(自身を除く): 1432564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13513, 27026, 54052, 67565, 108104, 135130, 216208, 270260, 540520, 1081040]

約数ペア:

[(1, 1081040), (2, 540520), (4, 270260), (5, 216208), (8, 135130), (10, 108104), (16, 67565), (20, 54052), (40, 27026), (80, 13513)]