669706090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{167009}}^1$

素因数の和:167417

約数の個数: 16

約数和(自身を含む): 1208484360

約数和(自身を除く): 538778270

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 167009, 334018, 835045, 1670090, 66970609, 133941218, 334853045, 669706090]

約数ペア:

[(1, 669706090), (2, 334853045), (5, 133941218), (10, 66970609), (401, 1670090), (802, 835045), (2005, 334018), (4010, 167009)]