109719220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421997}}^1$

素因数の和:422019

約数の個数: 24

約数和(自身を含む): 248134824

約数和(自身を除く): 138415604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421997, 843994, 1687988, 2109985, 4219970, 5485961, 8439940, 10971922, 21943844, 27429805, 54859610, 109719220]

約数ペア:

[(1, 109719220), (2, 54859610), (4, 27429805), (5, 21943844), (10, 10971922), (13, 8439940), (20, 5485961), (26, 4219970), (52, 2109985), (65, 1687988), (130, 843994), (260, 421997)]