77454680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28901}}^1$

素因数の和:28979

約数の個数: 32

約数和(自身を含む): 176880240

約数和(自身を除く): 99425560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 28901, 57802, 115604, 144505, 231208, 289010, 578020, 1156040, 1936367, 3872734, 7745468, 9681835, 15490936, 19363670, 38727340, 77454680]

約数ペア:

[(1, 77454680), (2, 38727340), (4, 19363670), (5, 15490936), (8, 9681835), (10, 7745468), (20, 3872734), (40, 1936367), (67, 1156040), (134, 578020), (268, 289010), (335, 231208), (536, 144505), (670, 115604), (1340, 57802), (2680, 28901)]