208546160

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{25309}}^1$

素因数の和:25425

約数の個数: 40

約数和(自身を含む): 489596640

約数和(自身を除く): 281050480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 25309, 50618, 101236, 126545, 202472, 253090, 404944, 506180, 1012360, 2024720, 2606827, 5213654, 10427308, 13034135, 20854616, 26068270, 41709232, 52136540, 104273080, 208546160]

約数ペア:

[(1, 208546160), (2, 104273080), (4, 52136540), (5, 41709232), (8, 26068270), (10, 20854616), (16, 13034135), (20, 10427308), (40, 5213654), (80, 2606827), (103, 2024720), (206, 1012360), (412, 506180), (515, 404944), (824, 253090), (1030, 202472), (1648, 126545), (2060, 101236), (4120, 50618), (8240, 25309)]