81905180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585037}}^1$

素因数の和:585053

約数の個数: 24

約数和(自身を含む): 196572768

約数和(自身を除く): 114667588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585037, 1170074, 2340148, 2925185, 4095259, 5850370, 8190518, 11700740, 16381036, 20476295, 40952590, 81905180]

約数ペア:

[(1, 81905180), (2, 40952590), (4, 20476295), (5, 16381036), (7, 11700740), (10, 8190518), (14, 5850370), (20, 4095259), (28, 2925185), (35, 2340148), (70, 1170074), (140, 585037)]