161408960

素因数分解:

$2^6\times 5^1\times {\mathrm{504403}}^1$

素因数の和:504420

約数の個数: 28

約数和(自身を含む): 384355848

約数和(自身を除く): 222946888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 504403, 1008806, 2017612, 2522015, 4035224, 5044030, 8070448, 10088060, 16140896, 20176120, 32281792, 40352240, 80704480, 161408960]

約数ペア:

[(1, 161408960), (2, 80704480), (4, 40352240), (5, 32281792), (8, 20176120), (10, 16140896), (16, 10088060), (20, 8070448), (32, 5044030), (40, 4035224), (64, 2522015), (80, 2017612), (160, 1008806), (320, 504403)]