31101040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9041}}^1$

素因数の和:9097

約数の個数: 40

約数和(自身を含む): 73999728

約数和(自身を除く): 42898688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 9041, 18082, 36164, 45205, 72328, 90410, 144656, 180820, 361640, 388763, 723280, 777526, 1555052, 1943815, 3110104, 3887630, 6220208, 7775260, 15550520, 31101040]

約数ペア:

[(1, 31101040), (2, 15550520), (4, 7775260), (5, 6220208), (8, 3887630), (10, 3110104), (16, 1943815), (20, 1555052), (40, 777526), (43, 723280), (80, 388763), (86, 361640), (172, 180820), (215, 144656), (344, 90410), (430, 72328), (688, 45205), (860, 36164), (1720, 18082), (3440, 9041)]