66855340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{26321}}^1$

素因数の和:26457

約数の個数: 24

約数和(自身を含む): 141507072

約数和(自身を除く): 74651732

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 26321, 52642, 105284, 131605, 263210, 526420, 3342767, 6685534, 13371068, 16713835, 33427670, 66855340]

約数ペア:

[(1, 66855340), (2, 33427670), (4, 16713835), (5, 13371068), (10, 6685534), (20, 3342767), (127, 526420), (254, 263210), (508, 131605), (635, 105284), (1270, 52642), (2540, 26321)]