1267460

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 2688000

約数和(自身を除く): 1420540

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 499, 508, 635, 998, 1270, 1996, 2495, 2540, 4990, 9980, 63373, 126746, 253492, 316865, 633730, 1267460]

約数ペア:

[(1, 1267460), (2, 633730), (4, 316865), (5, 253492), (10, 126746), (20, 63373), (127, 9980), (254, 4990), (499, 2540), (508, 2495), (635, 1996), (998, 1270)]