1259314640

素因数分解:

$2^4\times 5^1\times {\mathrm{15741433}}^1$

素因数の和:15741446

約数の個数: 20

約数和(自身を含む): 2927906724

約数和(自身を除く): 1668592084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15741433, 31482866, 62965732, 78707165, 125931464, 157414330, 251862928, 314828660, 629657320, 1259314640]

約数ペア:

[(1, 1259314640), (2, 629657320), (4, 314828660), (5, 251862928), (8, 157414330), (10, 125931464), (16, 78707165), (20, 62965732), (40, 31482866), (80, 15741433)]