12822100

素因数分解:

$2^2\times 5^2\times {\mathrm{128221}}^1$

素因数の和:128235

約数の個数: 18

約数和(自身を含む): 27824174

約数和(自身を除く): 15002074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 128221, 256442, 512884, 641105, 1282210, 2564420, 3205525, 6411050, 12822100]

約数ペア:

[(1, 12822100), (2, 6411050), (4, 3205525), (5, 2564420), (10, 1282210), (20, 641105), (25, 512884), (50, 256442), (100, 128221)]