205385090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199403}}^1$

素因数の和:199513

約数の個数: 16

約数和(自身を含む): 373284288

約数和(自身を除く): 167899198

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 199403, 398806, 997015, 1994030, 20538509, 41077018, 102692545, 205385090]

約数ペア:

[(1, 205385090), (2, 102692545), (5, 41077018), (10, 20538509), (103, 1994030), (206, 997015), (515, 398806), (1030, 199403)]