1985800

素因数分解:

$2^3\times 5^2\times {\mathrm{9929}}^1$

素因数の和:9945

約数の個数: 24

約数和(自身を含む): 4617450

約数和(自身を除く): 2631650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 9929, 19858, 39716, 49645, 79432, 99290, 198580, 248225, 397160, 496450, 992900, 1985800]

約数ペア:

[(1, 1985800), (2, 992900), (4, 496450), (5, 397160), (8, 248225), (10, 198580), (20, 99290), (25, 79432), (40, 49645), (50, 39716), (100, 19858), (200, 9929)]