73963280

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2087}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 172435392

約数和(自身を除く): 98472112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2087, 2215, 3544, 4174, 4430, 7088, 8348, 8860, 10435, 16696, 17720, 20870, 33392, 35440, 41740, 83480, 166960, 924541, 1849082, 3698164, 4622705, 7396328, 9245410, 14792656, 18490820, 36981640, 73963280]

約数ペア:

[(1, 73963280), (2, 36981640), (4, 18490820), (5, 14792656), (8, 9245410), (10, 7396328), (16, 4622705), (20, 3698164), (40, 1849082), (80, 924541), (443, 166960), (886, 83480), (1772, 41740), (2087, 35440), (2215, 33392), (3544, 20870), (4174, 17720), (4430, 16696), (7088, 10435), (8348, 8860)]