31830880

素因数分解:

$2^5\times 5^1\times {\mathrm{198943}}^1$

素因数の和:198958

約数の個数: 24

約数和(自身を含む): 75200832

約数和(自身を除く): 43369952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 198943, 397886, 795772, 994715, 1591544, 1989430, 3183088, 3978860, 6366176, 7957720, 15915440, 31830880]

約数ペア:

[(1, 31830880), (2, 15915440), (4, 7957720), (5, 6366176), (8, 3978860), (10, 3183088), (16, 1989430), (20, 1591544), (32, 994715), (40, 795772), (80, 397886), (160, 198943)]