51292540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197279}}^1$

素因数の和:197301

約数の個数: 24

約数和(自身を含む): 116000640

約数和(自身を除く): 64708100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197279, 394558, 789116, 986395, 1972790, 2564627, 3945580, 5129254, 10258508, 12823135, 25646270, 51292540]

約数ペア:

[(1, 51292540), (2, 25646270), (4, 12823135), (5, 10258508), (10, 5129254), (13, 3945580), (20, 2564627), (26, 1972790), (52, 986395), (65, 789116), (130, 394558), (260, 197279)]