139263920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91621}}^1$

素因数の和:91653

約数の個数: 40

約数和(自身を含む): 340833840

約数和(自身を除く): 201569920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 91621, 183242, 366484, 458105, 732968, 916210, 1465936, 1740799, 1832420, 3481598, 3664840, 6963196, 7329680, 8703995, 13926392, 17407990, 27852784, 34815980, 69631960, 139263920]

約数ペア:

[(1, 139263920), (2, 69631960), (4, 34815980), (5, 27852784), (8, 17407990), (10, 13926392), (16, 8703995), (19, 7329680), (20, 6963196), (38, 3664840), (40, 3481598), (76, 1832420), (80, 1740799), (95, 1465936), (152, 916210), (190, 732968), (304, 458105), (380, 366484), (760, 183242), (1520, 91621)]