160887680

素因数分解:

$2^7\times 5^1\times {\mathrm{251387}}^1$

素因数の和:251406

約数の個数: 32

約数和(自身を含む): 384623640

約数和(自身を除く): 223735960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 251387, 502774, 1005548, 1256935, 2011096, 2513870, 4022192, 5027740, 8044384, 10055480, 16088768, 20110960, 32177536, 40221920, 80443840, 160887680]

約数ペア:

[(1, 160887680), (2, 80443840), (4, 40221920), (5, 32177536), (8, 20110960), (10, 16088768), (16, 10055480), (20, 8044384), (32, 5027740), (40, 4022192), (64, 2513870), (80, 2011096), (128, 1256935), (160, 1005548), (320, 502774), (640, 251387)]