131792180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506893}}^1$

素因数の和:506915

約数の個数: 24

約数和(自身を含む): 298053672

約数和(自身を除く): 166261492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 506893, 1013786, 2027572, 2534465, 5068930, 6589609, 10137860, 13179218, 26358436, 32948045, 65896090, 131792180]

約数ペア:

[(1, 131792180), (2, 65896090), (4, 32948045), (5, 26358436), (10, 13179218), (13, 10137860), (20, 6589609), (26, 5068930), (52, 2534465), (65, 2027572), (130, 1013786), (260, 506893)]