23425840

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 54670608

約数和(自身を除く): 31244768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 661, 886, 1322, 1772, 2215, 2644, 3305, 3544, 4430, 5288, 6610, 7088, 8860, 10576, 13220, 17720, 26440, 35440, 52880, 292823, 585646, 1171292, 1464115, 2342584, 2928230, 4685168, 5856460, 11712920, 23425840]

約数ペア:

[(1, 23425840), (2, 11712920), (4, 5856460), (5, 4685168), (8, 2928230), (10, 2342584), (16, 1464115), (20, 1171292), (40, 585646), (80, 292823), (443, 52880), (661, 35440), (886, 26440), (1322, 17720), (1772, 13220), (2215, 10576), (2644, 8860), (3305, 7088), (3544, 6610), (4430, 5288)]