18800560

素因数分解:

$2^4\times 5^1\times {\mathrm{235007}}^1$

素因数の和:235020

約数の個数: 20

約数和(自身を含む): 43711488

約数和(自身を除く): 24910928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235007, 470014, 940028, 1175035, 1880056, 2350070, 3760112, 4700140, 9400280, 18800560]

約数ペア:

[(1, 18800560), (2, 9400280), (4, 4700140), (5, 3760112), (8, 2350070), (10, 1880056), (16, 1175035), (20, 940028), (40, 470014), (80, 235007)]