200719220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{771997}}^1$

素因数の和:772019

約数の個数: 24

約数和(自身を含む): 453934824

約数和(自身を除く): 253215604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 771997, 1543994, 3087988, 3859985, 7719970, 10035961, 15439940, 20071922, 40143844, 50179805, 100359610, 200719220]

約数ペア:

[(1, 200719220), (2, 100359610), (4, 50179805), (5, 40143844), (10, 20071922), (13, 15439940), (20, 10035961), (26, 7719970), (52, 3859985), (65, 3087988), (130, 1543994), (260, 771997)]