31339780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5657}}^1$

素因数の和:5943

約数の個数: 24

約数和(自身を含む): 66062808

約数和(自身を除く): 34723028

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 5657, 11314, 22628, 28285, 56570, 113140, 1566989, 3133978, 6267956, 7834945, 15669890, 31339780]

約数ペア:

[(1, 31339780), (2, 15669890), (4, 7834945), (5, 6267956), (10, 3133978), (20, 1566989), (277, 113140), (554, 56570), (1108, 28285), (1385, 22628), (2770, 11314), (5540, 5657)]