15345520

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 35841456

約数和(自身を除く): 20495936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 443, 866, 886, 1732, 1772, 2165, 2215, 3464, 3544, 4330, 4430, 6928, 7088, 8660, 8860, 17320, 17720, 34640, 35440, 191819, 383638, 767276, 959095, 1534552, 1918190, 3069104, 3836380, 7672760, 15345520]

約数ペア:

[(1, 15345520), (2, 7672760), (4, 3836380), (5, 3069104), (8, 1918190), (10, 1534552), (16, 959095), (20, 767276), (40, 383638), (80, 191819), (433, 35440), (443, 34640), (866, 17720), (886, 17320), (1732, 8860), (1772, 8660), (2165, 7088), (2215, 6928), (3464, 4430), (3544, 4330)]