28650140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18133}}^1$

素因数の和:18221

約数の個数: 24

約数和(自身を含む): 60930240

約数和(自身を除く): 32280100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 18133, 36266, 72532, 90665, 181330, 362660, 1432507, 2865014, 5730028, 7162535, 14325070, 28650140]

約数ペア:

[(1, 28650140), (2, 14325070), (4, 7162535), (5, 5730028), (10, 2865014), (20, 1432507), (79, 362660), (158, 181330), (316, 90665), (395, 72532), (790, 36266), (1580, 18133)]