9879220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37997}}^1$

素因数の和:38019

約数の個数: 24

約数和(自身を含む): 22342824

約数和(自身を除く): 12463604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 37997, 75994, 151988, 189985, 379970, 493961, 759940, 987922, 1975844, 2469805, 4939610, 9879220]

約数ペア:

[(1, 9879220), (2, 4939610), (4, 2469805), (5, 1975844), (10, 987922), (13, 759940), (20, 493961), (26, 379970), (52, 189985), (65, 151988), (130, 75994), (260, 37997)]