39771280

素因数分解:

$2^4\times 5^1\times {\mathrm{497141}}^1$

素因数の和:497154

約数の個数: 20

約数和(自身を含む): 92468412

約数和(自身を除く): 52697132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497141, 994282, 1988564, 2485705, 3977128, 4971410, 7954256, 9942820, 19885640, 39771280]

約数ペア:

[(1, 39771280), (2, 19885640), (4, 9942820), (5, 7954256), (8, 4971410), (10, 3977128), (16, 2485705), (20, 1988564), (40, 994282), (80, 497141)]