164137340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{64621}}^1$

素因数の和:64757

約数の個数: 24

約数和(自身を含む): 347407872

約数和(自身を除く): 183270532

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 64621, 129242, 258484, 323105, 646210, 1292420, 8206867, 16413734, 32827468, 41034335, 82068670, 164137340]

約数ペア:

[(1, 164137340), (2, 82068670), (4, 41034335), (5, 32827468), (10, 16413734), (20, 8206867), (127, 1292420), (254, 646210), (508, 323105), (635, 258484), (1270, 129242), (2540, 64621)]