38880440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9437}}^1$

素因数の和:9551

約数の個数: 32

約数和(自身を含む): 88339680

約数和(自身を除く): 49459240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9437, 18874, 37748, 47185, 75496, 94370, 188740, 377480, 972011, 1944022, 3888044, 4860055, 7776088, 9720110, 19440220, 38880440]

約数ペア:

[(1, 38880440), (2, 19440220), (4, 9720110), (5, 7776088), (8, 4860055), (10, 3888044), (20, 1944022), (40, 972011), (103, 377480), (206, 188740), (412, 94370), (515, 75496), (824, 47185), (1030, 37748), (2060, 18874), (4120, 9437)]