40403780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15907}}^1$

素因数の和:16043

約数の個数: 24

約数和(自身を含む): 85521408

約数和(自身を除く): 45117628

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15907, 31814, 63628, 79535, 159070, 318140, 2020189, 4040378, 8080756, 10100945, 20201890, 40403780]

約数ペア:

[(1, 40403780), (2, 20201890), (4, 10100945), (5, 8080756), (10, 4040378), (20, 2020189), (127, 318140), (254, 159070), (508, 79535), (635, 63628), (1270, 31814), (2540, 15907)]