79435880

素因数分解:

$2^3\times 5^1\times {\mathrm{1985897}}^1$

素因数の和:1985908

約数の個数: 16

約数和(自身を含む): 178730820

約数和(自身を除く): 99294940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1985897, 3971794, 7943588, 9929485, 15887176, 19858970, 39717940, 79435880]

約数ペア:

[(1, 79435880), (2, 39717940), (4, 19858970), (5, 15887176), (8, 9929485), (10, 7943588), (20, 3971794), (40, 1985897)]