82879880

素因数分解:

$2^3\times 5^1\times {\mathrm{2071997}}^1$

素因数の和:2072008

約数の個数: 16

約数和(自身を含む): 186479820

約数和(自身を除く): 103599940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2071997, 4143994, 8287988, 10359985, 16575976, 20719970, 41439940, 82879880]

約数ペア:

[(1, 82879880), (2, 41439940), (4, 20719970), (5, 16575976), (8, 10359985), (10, 8287988), (20, 4143994), (40, 2071997)]