82817920

素因数分解:

$2^7\times 5^1\times {\mathrm{129403}}^1$

素因数の和:129422

約数の個数: 32

約数和(自身を含む): 197988120

約数和(自身を除く): 115170200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129403, 258806, 517612, 647015, 1035224, 1294030, 2070448, 2588060, 4140896, 5176120, 8281792, 10352240, 16563584, 20704480, 41408960, 82817920]

約数ペア:

[(1, 82817920), (2, 41408960), (4, 20704480), (5, 16563584), (8, 10352240), (10, 8281792), (16, 5176120), (20, 4140896), (32, 2588060), (40, 2070448), (64, 1294030), (80, 1035224), (128, 647015), (160, 517612), (320, 258806), (640, 129403)]