208545010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{50989}}^1$

素因数の和:51405

約数の個数: 16

約数和(自身を含む): 376306200

約数和(自身を除く): 167761190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 50989, 101978, 254945, 509890, 20854501, 41709002, 104272505, 208545010]

約数ペア:

[(1, 208545010), (2, 104272505), (5, 41709002), (10, 20854501), (409, 509890), (818, 254945), (2045, 101978), (4090, 50989)]