28631800

素因数分解:

$2^3\times 5^2\times {\mathrm{143159}}^1$

素因数の和:143175

約数の個数: 24

約数和(自身を含む): 66569400

約数和(自身を除く): 37937600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 143159, 286318, 572636, 715795, 1145272, 1431590, 2863180, 3578975, 5726360, 7157950, 14315900, 28631800]

約数ペア:

[(1, 28631800), (2, 14315900), (4, 7157950), (5, 5726360), (8, 3578975), (10, 2863180), (20, 1431590), (25, 1145272), (40, 715795), (50, 572636), (100, 286318), (200, 143159)]