138130280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27191}}^1$

素因数の和:27329

約数の個数: 32

約数和(自身を含む): 313251840

約数和(自身を除く): 175121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27191, 54382, 108764, 135955, 217528, 271910, 543820, 1087640, 3453257, 6906514, 13813028, 17266285, 27626056, 34532570, 69065140, 138130280]

約数ペア:

[(1, 138130280), (2, 69065140), (4, 34532570), (5, 27626056), (8, 17266285), (10, 13813028), (20, 6906514), (40, 3453257), (127, 1087640), (254, 543820), (508, 271910), (635, 217528), (1016, 135955), (1270, 108764), (2540, 54382), (5080, 27191)]