28755340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11321}}^1$

素因数の和:11457

約数の個数: 24

約数和(自身を含む): 60867072

約数和(自身を除く): 32111732

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11321, 22642, 45284, 56605, 113210, 226420, 1437767, 2875534, 5751068, 7188835, 14377670, 28755340]

約数ペア:

[(1, 28755340), (2, 14377670), (4, 7188835), (5, 5751068), (10, 2875534), (20, 1437767), (127, 226420), (254, 113210), (508, 56605), (635, 45284), (1270, 22642), (2540, 11321)]