127820002210

素因数分解:

$2^1\times 5^1\times {\mathrm{12782000221}}^1$

素因数の和:12782000228

約数の個数: 8

約数和(自身を含む): 230076003996

約数和(自身を除く): 102256001786

約数列:

[1, 2, 5, 10, 12782000221, 25564000442, 63910001105, 127820002210]

約数ペア:

[(1, 127820002210), (2, 63910001105), (5, 25564000442), (10, 12782000221)]