79039880

素因数分解:

$2^3\times 5^1\times {\mathrm{1975997}}^1$

素因数の和:1976008

約数の個数: 16

約数和(自身を含む): 177839820

約数和(自身を除く): 98799940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1975997, 3951994, 7903988, 9879985, 15807976, 19759970, 39519940, 79039880]

約数ペア:

[(1, 79039880), (2, 39519940), (4, 19759970), (5, 15807976), (8, 9879985), (10, 7903988), (20, 3951994), (40, 1975997)]