159809240

素因数分解:

$2^3\times 5^1\times {\mathrm{3995231}}^1$

素因数の和:3995242

約数の個数: 16

約数和(自身を含む): 359570880

約数和(自身を除く): 199761640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3995231, 7990462, 15980924, 19976155, 31961848, 39952310, 79904620, 159809240]

約数ペア:

[(1, 159809240), (2, 79904620), (4, 39952310), (5, 31961848), (8, 19976155), (10, 15980924), (20, 7990462), (40, 3995231)]