31049440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4513}}^1$

素因数の和:4571

約数の個数: 48

約数和(自身を含む): 75076848

約数和(自身を除く): 44027408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4513, 6880, 9026, 18052, 22565, 36104, 45130, 72208, 90260, 144416, 180520, 194059, 361040, 388118, 722080, 776236, 970295, 1552472, 1940590, 3104944, 3881180, 6209888, 7762360, 15524720, 31049440]

約数ペア:

[(1, 31049440), (2, 15524720), (4, 7762360), (5, 6209888), (8, 3881180), (10, 3104944), (16, 1940590), (20, 1552472), (32, 970295), (40, 776236), (43, 722080), (80, 388118), (86, 361040), (160, 194059), (172, 180520), (215, 144416), (344, 90260), (430, 72208), (688, 45130), (860, 36104), (1376, 22565), (1720, 18052), (3440, 9026), (4513, 6880)]