205654056280

素因数分解:

$2^3\times 5^1\times {\mathrm{20389}}^1\times {\mathrm{252163}}^1$

素因数の和:272563

約数の個数: 32

約数和(自身を含む): 462746156400

約数和(自身を除く): 257092100120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20389, 40778, 81556, 101945, 163112, 203890, 252163, 407780, 504326, 815560, 1008652, 1260815, 2017304, 2521630, 5043260, 10086520, 5141351407, 10282702814, 20565405628, 25706757035, 41130811256, 51413514070, 102827028140, 205654056280]

約数ペア:

[(1, 205654056280), (2, 102827028140), (4, 51413514070), (5, 41130811256), (8, 25706757035), (10, 20565405628), (20, 10282702814), (40, 5141351407), (20389, 10086520), (40778, 5043260), (81556, 2521630), (101945, 2017304), (163112, 1260815), (203890, 1008652), (252163, 815560), (407780, 504326)]