42040816

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{17401}}^1$

素因数の和:17560

約数の個数: 20

約数和(自身を含む): 81998224

約数和(自身を除く): 39957408

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 17401, 34802, 69604, 139208, 278416, 2627551, 5255102, 10510204, 21020408, 42040816]

約数ペア:

[(1, 42040816), (2, 21020408), (4, 10510204), (8, 5255102), (16, 2627551), (151, 278416), (302, 139208), (604, 69604), (1208, 34802), (2416, 17401)]