67887740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{72221}}^1$

素因数の和:72277

約数の個数: 24

約数和(自身を含む): 145599552

約数和(自身を除く): 77711812

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 72221, 144442, 288884, 361105, 722210, 1444420, 3394387, 6788774, 13577548, 16971935, 33943870, 67887740]

約数ペア:

[(1, 67887740), (2, 33943870), (4, 16971935), (5, 13577548), (10, 6788774), (20, 3394387), (47, 1444420), (94, 722210), (188, 361105), (235, 288884), (470, 144442), (940, 72221)]