2019128840

素因数分解:

$2^3\times 5^1\times {\mathrm{50478221}}^1$

素因数の和:50478232

約数の個数: 16

約数和(自身を含む): 4543039980

約数和(自身を除く): 2523911140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50478221, 100956442, 201912884, 252391105, 403825768, 504782210, 1009564420, 2019128840]

約数ペア:

[(1, 2019128840), (2, 1009564420), (4, 504782210), (5, 403825768), (8, 252391105), (10, 201912884), (20, 100956442), (40, 50478221)]