12531280

素因数分解:

$2^4\times 5^1\times {\mathrm{156641}}^1$

素因数の和:156654

約数の個数: 20

約数和(自身を含む): 29135412

約数和(自身を除く): 16604132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156641, 313282, 626564, 783205, 1253128, 1566410, 2506256, 3132820, 6265640, 12531280]

約数ペア:

[(1, 12531280), (2, 6265640), (4, 3132820), (5, 2506256), (8, 1566410), (10, 1253128), (16, 783205), (20, 626564), (40, 313282), (80, 156641)]