225437440

素因数分解:

$2^8\times 5^1\times {\mathrm{176123}}^1$

素因数の和:176144

約数の個数: 36

約数和(自身を含む): 539996184

約数和(自身を除く): 314558744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 176123, 352246, 704492, 880615, 1408984, 1761230, 2817968, 3522460, 5635936, 7044920, 11271872, 14089840, 22543744, 28179680, 45087488, 56359360, 112718720, 225437440]

約数ペア:

[(1, 225437440), (2, 112718720), (4, 56359360), (5, 45087488), (8, 28179680), (10, 22543744), (16, 14089840), (20, 11271872), (32, 7044920), (40, 5635936), (64, 3522460), (80, 2817968), (128, 1761230), (160, 1408984), (256, 880615), (320, 704492), (640, 352246), (1280, 176123)]