7279220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27997}}^1$

素因数の和:28019

約数の個数: 24

約数和(自身を含む): 16462824

約数和(自身を除く): 9183604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27997, 55994, 111988, 139985, 279970, 363961, 559940, 727922, 1455844, 1819805, 3639610, 7279220]

約数ペア:

[(1, 7279220), (2, 3639610), (4, 1819805), (5, 1455844), (10, 727922), (13, 559940), (20, 363961), (26, 279970), (52, 139985), (65, 111988), (130, 55994), (260, 27997)]