129590200

素因数分解:

$2^3\times 5^2\times {\mathrm{647951}}^1$

素因数の和:647967

約数の個数: 24

約数和(自身を含む): 301297680

約数和(自身を除く): 171707480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 647951, 1295902, 2591804, 3239755, 5183608, 6479510, 12959020, 16198775, 25918040, 32397550, 64795100, 129590200]

約数ペア:

[(1, 129590200), (2, 64795100), (4, 32397550), (5, 25918040), (8, 16198775), (10, 12959020), (20, 6479510), (25, 5183608), (40, 3239755), (50, 2591804), (100, 1295902), (200, 647951)]