40289845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 50400000

約数和(自身を除く): 10110155

約数列:

[1, 5, 29, 139, 145, 695, 1999, 4031, 9995, 20155, 57971, 277861, 289855, 1389305, 8057969, 40289845]

約数ペア:

[(1, 40289845), (5, 8057969), (29, 1389305), (139, 289855), (145, 277861), (695, 57971), (1999, 20155), (4031, 9995)]