28578620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204133}}^1$

素因数の和:204149

約数の個数: 24

約数和(自身を含む): 68589024

約数和(自身を除く): 40010404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204133, 408266, 816532, 1020665, 1428931, 2041330, 2857862, 4082660, 5715724, 7144655, 14289310, 28578620]

約数ペア:

[(1, 28578620), (2, 14289310), (4, 7144655), (5, 5715724), (7, 4082660), (10, 2857862), (14, 2041330), (20, 1428931), (28, 1020665), (35, 816532), (70, 408266), (140, 204133)]