40158416

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{19763}}^1$

素因数の和:19898

約数の個数: 20

約数和(自身を含む): 78423552

約数和(自身を除く): 38265136

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 19763, 39526, 79052, 158104, 316208, 2509901, 5019802, 10039604, 20079208, 40158416]

約数ペア:

[(1, 40158416), (2, 20079208), (4, 10039604), (8, 5019802), (16, 2509901), (127, 316208), (254, 158104), (508, 79052), (1016, 39526), (2032, 19763)]