12665660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90469}}^1$

素因数の和:90485

約数の個数: 24

約数和(自身を含む): 30397920

約数和(自身を除く): 17732260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90469, 180938, 361876, 452345, 633283, 904690, 1266566, 1809380, 2533132, 3166415, 6332830, 12665660]

約数ペア:

[(1, 12665660), (2, 6332830), (4, 3166415), (5, 2533132), (7, 1809380), (10, 1266566), (14, 904690), (20, 633283), (28, 452345), (35, 361876), (70, 180938), (140, 90469)]