28137800

素因数分解:

$2^3\times 5^2\times {\mathrm{140689}}^1$

素因数の和:140705

約数の個数: 24

約数和(自身を含む): 65420850

約数和(自身を除く): 37283050

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 140689, 281378, 562756, 703445, 1125512, 1406890, 2813780, 3517225, 5627560, 7034450, 14068900, 28137800]

約数ペア:

[(1, 28137800), (2, 14068900), (4, 7034450), (5, 5627560), (8, 3517225), (10, 2813780), (20, 1406890), (25, 1125512), (40, 703445), (50, 562756), (100, 281378), (200, 140689)]