22179664840

素因数分解:

$2^3\times 5^1\times {\mathrm{554491621}}^1$

素因数の和:554491632

約数の個数: 16

約数和(自身を含む): 49904245980

約数和(自身を除く): 27724581140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 554491621, 1108983242, 2217966484, 2772458105, 4435932968, 5544916210, 11089832420, 22179664840]

約数ペア:

[(1, 22179664840), (2, 11089832420), (4, 5544916210), (5, 4435932968), (8, 2772458105), (10, 2217966484), (20, 1108983242), (40, 554491621)]