81322700

素因数分解:

$2^2\times 5^2\times {\mathrm{813227}}^1$

素因数の和:813241

約数の個数: 18

約数和(自身を含む): 176470476

約数和(自身を除く): 95147776

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 813227, 1626454, 3252908, 4066135, 8132270, 16264540, 20330675, 40661350, 81322700]

約数ペア:

[(1, 81322700), (2, 40661350), (4, 20330675), (5, 16264540), (10, 8132270), (20, 4066135), (25, 3252908), (50, 1626454), (100, 813227)]