140721620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541237}}^1$

素因数の和:541259

約数の個数: 24

約数和(自身を含む): 318247944

約数和(自身を除く): 177526324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541237, 1082474, 2164948, 2706185, 5412370, 7036081, 10824740, 14072162, 28144324, 35180405, 70360810, 140721620]

約数ペア:

[(1, 140721620), (2, 70360810), (4, 35180405), (5, 28144324), (10, 14072162), (13, 10824740), (20, 7036081), (26, 5412370), (52, 2706185), (65, 2164948), (130, 1082474), (260, 541237)]