3199880

素因数分解:

$2^3\times 5^1\times {\mathrm{79997}}^1$

素因数の和:80008

約数の個数: 16

約数和(自身を含む): 7199820

約数和(自身を除く): 3999940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79997, 159994, 319988, 399985, 639976, 799970, 1599940, 3199880]

約数ペア:

[(1, 3199880), (2, 1599940), (4, 799970), (5, 639976), (8, 399985), (10, 319988), (20, 159994), (40, 79997)]