40889936

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{20123}}^1$

素因数の和:20258

約数の個数: 20

約数和(自身を含む): 79852032

約数和(自身を除く): 38962096

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 20123, 40246, 80492, 160984, 321968, 2555621, 5111242, 10222484, 20444968, 40889936]

約数ペア:

[(1, 40889936), (2, 20444968), (4, 10222484), (8, 5111242), (16, 2555621), (127, 321968), (254, 160984), (508, 80492), (1016, 40246), (2032, 20123)]