28987600

素因数分解:

$2^4\times 5^2\times {\mathrm{72469}}^1$

素因数の和:72487

約数の個数: 30

約数和(自身を含む): 69643670

約数和(自身を除く): 40656070

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72469, 144938, 289876, 362345, 579752, 724690, 1159504, 1449380, 1811725, 2898760, 3623450, 5797520, 7246900, 14493800, 28987600]

約数ペア:

[(1, 28987600), (2, 14493800), (4, 7246900), (5, 5797520), (8, 3623450), (10, 2898760), (16, 1811725), (20, 1449380), (25, 1159504), (40, 724690), (50, 579752), (80, 362345), (100, 289876), (200, 144938), (400, 72469)]