200081080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25391}}^1$

素因数の和:25599

約数の個数: 32

約数和(自身を含む): 452485440

約数和(自身を除く): 252404360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 25391, 50782, 101564, 126955, 203128, 253910, 507820, 1015640, 5002027, 10004054, 20008108, 25010135, 40016216, 50020270, 100040540, 200081080]

約数ペア:

[(1, 200081080), (2, 100040540), (4, 50020270), (5, 40016216), (8, 25010135), (10, 20008108), (20, 10004054), (40, 5002027), (197, 1015640), (394, 507820), (788, 253910), (985, 203128), (1576, 126955), (1970, 101564), (3940, 50782), (7880, 25391)]