213200080

素因数分解:

$2^4\times 5^1\times {\mathrm{2665001}}^1$

素因数の和:2665014

約数の個数: 20

約数和(自身を含む): 495690372

約数和(自身を除く): 282490292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2665001, 5330002, 10660004, 13325005, 21320008, 26650010, 42640016, 53300020, 106600040, 213200080]

約数ペア:

[(1, 213200080), (2, 106600040), (4, 53300020), (5, 42640016), (8, 26650010), (10, 21320008), (16, 13325005), (20, 10660004), (40, 5330002), (80, 2665001)]