27250000

素因数分解:

$2^4\times 5^6\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 70

約数和(自身を含む): 66600710

約数和(自身を除く): 39350710

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 200, 218, 250, 400, 436, 500, 545, 625, 872, 1000, 1090, 1250, 1744, 2000, 2180, 2500, 2725, 3125, 4360, 5000, 5450, 6250, 8720, 10000, 10900, 12500, 13625, 15625, 21800, 25000, 27250, 31250, 43600, 50000, 54500, 62500, 68125, 109000, 125000, 136250, 218000, 250000, 272500, 340625, 545000, 681250, 1090000, 1362500, 1703125, 2725000, 3406250, 5450000, 6812500, 13625000, 27250000]

約数ペア:

[(1, 27250000), (2, 13625000), (4, 6812500), (5, 5450000), (8, 3406250), (10, 2725000), (16, 1703125), (20, 1362500), (25, 1090000), (40, 681250), (50, 545000), (80, 340625), (100, 272500), (109, 250000), (125, 218000), (200, 136250), (218, 125000), (250, 109000), (400, 68125), (436, 62500), (500, 54500), (545, 50000), (625, 43600), (872, 31250), (1000, 27250), (1090, 25000), (1250, 21800), (1744, 15625), (2000, 13625), (2180, 12500), (2500, 10900), (2725, 10000), (3125, 8720), (4360, 6250), (5000, 5450)]