77990060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205237}}^1$

素因数の和:205265

約数の個数: 24

約数和(自身を含む): 172399920

約数和(自身を除く): 94409860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205237, 410474, 820948, 1026185, 2052370, 3899503, 4104740, 7799006, 15598012, 19497515, 38995030, 77990060]

約数ペア:

[(1, 77990060), (2, 38995030), (4, 19497515), (5, 15598012), (10, 7799006), (19, 4104740), (20, 3899503), (38, 2052370), (76, 1026185), (95, 820948), (190, 410474), (380, 205237)]