6399760

素因数分解:

$2^4\times 5^1\times {\mathrm{79997}}^1$

素因数の和:80010

約数の個数: 20

約数和(自身を含む): 14879628

約数和(自身を除く): 8479868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 79997, 159994, 319988, 399985, 639976, 799970, 1279952, 1599940, 3199880, 6399760]

約数ペア:

[(1, 6399760), (2, 3199880), (4, 1599940), (5, 1279952), (8, 799970), (10, 639976), (16, 399985), (20, 319988), (40, 159994), (80, 79997)]