137886440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27143}}^1$

素因数の和:27281

約数の個数: 32

約数和(自身を含む): 312698880

約数和(自身を除く): 174812440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27143, 54286, 108572, 135715, 217144, 271430, 542860, 1085720, 3447161, 6894322, 13788644, 17235805, 27577288, 34471610, 68943220, 137886440]

約数ペア:

[(1, 137886440), (2, 68943220), (4, 34471610), (5, 27577288), (8, 17235805), (10, 13788644), (20, 6894322), (40, 3447161), (127, 1085720), (254, 542860), (508, 271430), (635, 217144), (1016, 135715), (1270, 108572), (2540, 54286), (5080, 27143)]