79746820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9749}}^1$

素因数の和:10167

約数の個数: 24

約数和(自身を含む): 167895000

約数和(自身を除く): 88148180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 9749, 19498, 38996, 48745, 97490, 194980, 3987341, 7974682, 15949364, 19936705, 39873410, 79746820]

約数ペア:

[(1, 79746820), (2, 39873410), (4, 19936705), (5, 15949364), (10, 7974682), (20, 3987341), (409, 194980), (818, 97490), (1636, 48745), (2045, 38996), (4090, 19498), (8180, 9749)]