28443320

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2833}}^1$

素因数の和:3095

約数の個数: 32

約数和(自身を含む): 64275120

約数和(自身を除く): 35831800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 2833, 5020, 5666, 10040, 11332, 14165, 22664, 28330, 56660, 113320, 711083, 1422166, 2844332, 3555415, 5688664, 7110830, 14221660, 28443320]

約数ペア:

[(1, 28443320), (2, 14221660), (4, 7110830), (5, 5688664), (8, 3555415), (10, 2844332), (20, 1422166), (40, 711083), (251, 113320), (502, 56660), (1004, 28330), (1255, 22664), (2008, 14165), (2510, 11332), (2833, 10040), (5020, 5666)]