30971180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36013}}^1$

素因数の和:36065

約数の個数: 24

約数和(自身を含む): 66553872

約数和(自身を除く): 35582692

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 36013, 72026, 144052, 180065, 360130, 720260, 1548559, 3097118, 6194236, 7742795, 15485590, 30971180]

約数ペア:

[(1, 30971180), (2, 15485590), (4, 7742795), (5, 6194236), (10, 3097118), (20, 1548559), (43, 720260), (86, 360130), (172, 180065), (215, 144052), (430, 72026), (860, 36013)]