55018840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12619}}^1$

素因数の和:12739

約数の個数: 32

約数和(自身を含む): 124938000

約数和(自身を除く): 69919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12619, 25238, 50476, 63095, 100952, 126190, 252380, 504760, 1375471, 2750942, 5501884, 6877355, 11003768, 13754710, 27509420, 55018840]

約数ペア:

[(1, 55018840), (2, 27509420), (4, 13754710), (5, 11003768), (8, 6877355), (10, 5501884), (20, 2750942), (40, 1375471), (109, 504760), (218, 252380), (436, 126190), (545, 100952), (872, 63095), (1090, 50476), (2180, 25238), (4360, 12619)]