31505440

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 74850048

約数和(自身を除く): 43344608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 883, 892, 1115, 1766, 1784, 2230, 3532, 3568, 4415, 4460, 7064, 7136, 8830, 8920, 14128, 17660, 17840, 28256, 35320, 35680, 70640, 141280, 196909, 393818, 787636, 984545, 1575272, 1969090, 3150544, 3938180, 6301088, 7876360, 15752720, 31505440]

約数ペア:

[(1, 31505440), (2, 15752720), (4, 7876360), (5, 6301088), (8, 3938180), (10, 3150544), (16, 1969090), (20, 1575272), (32, 984545), (40, 787636), (80, 393818), (160, 196909), (223, 141280), (446, 70640), (883, 35680), (892, 35320), (1115, 28256), (1766, 17840), (1784, 17660), (2230, 14128), (3532, 8920), (3568, 8830), (4415, 7136), (4460, 7064)]