131344960

素因数分解:

$2^6\times 5^1\times {\mathrm{410453}}^1$

素因数の和:410470

約数の個数: 28

約数和(自身を含む): 312765948

約数和(自身を除く): 181420988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 410453, 820906, 1641812, 2052265, 3283624, 4104530, 6567248, 8209060, 13134496, 16418120, 26268992, 32836240, 65672480, 131344960]

約数ペア:

[(1, 131344960), (2, 65672480), (4, 32836240), (5, 26268992), (8, 16418120), (10, 13134496), (16, 8209060), (20, 6567248), (32, 4104530), (40, 3283624), (64, 2052265), (80, 1641812), (160, 820906), (320, 410453)]