82164010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20089}}^1$

素因数の和:20505

約数の個数: 16

約数和(自身を含む): 148264200

約数和(自身を除く): 66100190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 20089, 40178, 100445, 200890, 8216401, 16432802, 41082005, 82164010]

約数ペア:

[(1, 82164010), (2, 41082005), (5, 16432802), (10, 8216401), (409, 200890), (818, 100445), (2045, 40178), (4090, 20089)]