78444220

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{3739}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 164934000

約数和(自身を除く): 86489780

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 3739, 4196, 5245, 7478, 10490, 14956, 18695, 20980, 37390, 74780, 3922211, 7844422, 15688844, 19611055, 39222110, 78444220]

約数ペア:

[(1, 78444220), (2, 39222110), (4, 19611055), (5, 15688844), (10, 7844422), (20, 3922211), (1049, 74780), (2098, 37390), (3739, 20980), (4196, 18695), (5245, 14956), (7478, 10490)]