81550145

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{8821}}^1$

素因数の和:8912

約数の個数: 12

約数和(自身を含む): 100200276

約数和(自身を除く): 18650131

約数列:

[1, 5, 43, 215, 1849, 8821, 9245, 44105, 379303, 1896515, 16310029, 81550145]

約数ペア:

[(1, 81550145), (5, 16310029), (43, 1896515), (215, 379303), (1849, 44105), (8821, 9245)]