138000880

素因数分解:

$2^4\times 5^1\times {\mathrm{1725011}}^1$

素因数の和:1725024

約数の個数: 20

約数和(自身を含む): 320852232

約数和(自身を除く): 182851352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1725011, 3450022, 6900044, 8625055, 13800088, 17250110, 27600176, 34500220, 69000440, 138000880]

約数ペア:

[(1, 138000880), (2, 69000440), (4, 34500220), (5, 27600176), (8, 17250110), (10, 13800088), (16, 8625055), (20, 6900044), (40, 3450022), (80, 1725011)]