205655080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109391}}^1$

素因数の和:109449

約数の個数: 32

約数和(自身を含む): 472573440

約数和(自身を除く): 266918360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 109391, 218782, 437564, 546955, 875128, 1093910, 2187820, 4375640, 5141377, 10282754, 20565508, 25706885, 41131016, 51413770, 102827540, 205655080]

約数ペア:

[(1, 205655080), (2, 102827540), (4, 51413770), (5, 41131016), (8, 25706885), (10, 20565508), (20, 10282754), (40, 5141377), (47, 4375640), (94, 2187820), (188, 1093910), (235, 875128), (376, 546955), (470, 437564), (940, 218782), (1880, 109391)]