2080450100

素因数分解:

$2^2\times 5^2\times {\mathrm{20804501}}^1$

素因数の和:20804515

約数の個数: 18

約数和(自身を含む): 4514576934

約数和(自身を除く): 2434126834

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20804501, 41609002, 83218004, 104022505, 208045010, 416090020, 520112525, 1040225050, 2080450100]

約数ペア:

[(1, 2080450100), (2, 1040225050), (4, 520112525), (5, 416090020), (10, 208045010), (20, 104022505), (25, 83218004), (50, 41609002), (100, 20804501)]