219921760

素因数分解:

$2^5\times 5^1\times {\mathrm{1374511}}^1$

素因数の和:1374526

約数の個数: 24

約数和(自身を含む): 519565536

約数和(自身を除く): 299643776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1374511, 2749022, 5498044, 6872555, 10996088, 13745110, 21992176, 27490220, 43984352, 54980440, 109960880, 219921760]

約数ペア:

[(1, 219921760), (2, 109960880), (4, 54980440), (5, 43984352), (8, 27490220), (10, 21992176), (16, 13745110), (20, 10996088), (32, 6872555), (40, 5498044), (80, 2749022), (160, 1374511)]