202138520

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{4649}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 455328000

約数和(自身を除く): 253189480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2174, 4348, 4649, 5435, 8696, 9298, 10870, 18596, 21740, 23245, 37192, 43480, 46490, 92980, 185960, 5053463, 10106926, 20213852, 25267315, 40427704, 50534630, 101069260, 202138520]

約数ペア:

[(1, 202138520), (2, 101069260), (4, 50534630), (5, 40427704), (8, 25267315), (10, 20213852), (20, 10106926), (40, 5053463), (1087, 185960), (2174, 92980), (4348, 46490), (4649, 43480), (5435, 37192), (8696, 23245), (9298, 21740), (10870, 18596)]