87941620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{338237}}^1$

素因数の和:338259

約数の個数: 24

約数和(自身を含む): 198883944

約数和(自身を除く): 110942324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 338237, 676474, 1352948, 1691185, 3382370, 4397081, 6764740, 8794162, 17588324, 21985405, 43970810, 87941620]

約数ペア:

[(1, 87941620), (2, 43970810), (4, 21985405), (5, 17588324), (10, 8794162), (13, 6764740), (20, 4397081), (26, 3382370), (52, 1691185), (65, 1352948), (130, 676474), (260, 338237)]