28145800

素因数分解:

$2^3\times 5^2\times {\mathrm{140729}}^1$

素因数の和:140745

約数の個数: 24

約数和(自身を含む): 65439450

約数和(自身を除く): 37293650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 140729, 281458, 562916, 703645, 1125832, 1407290, 2814580, 3518225, 5629160, 7036450, 14072900, 28145800]

約数ペア:

[(1, 28145800), (2, 14072900), (4, 7036450), (5, 5629160), (8, 3518225), (10, 2814580), (20, 1407290), (25, 1125832), (40, 703645), (50, 562916), (100, 281458), (200, 140729)]