18800240

素因数分解:

$2^4\times 5^1\times {\mathrm{235003}}^1$

素因数の和:235016

約数の個数: 20

約数和(自身を含む): 43710744

約数和(自身を除く): 24910504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235003, 470006, 940012, 1175015, 1880024, 2350030, 3760048, 4700060, 9400120, 18800240]

約数ペア:

[(1, 18800240), (2, 9400120), (4, 4700060), (5, 3760048), (8, 2350030), (10, 1880024), (16, 1175015), (20, 940012), (40, 470006), (80, 235003)]