2563540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18311}}^1$

素因数の和:18327

約数の個数: 24

約数和(自身を含む): 6152832

約数和(自身を除く): 3589292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18311, 36622, 73244, 91555, 128177, 183110, 256354, 366220, 512708, 640885, 1281770, 2563540]

約数ペア:

[(1, 2563540), (2, 1281770), (4, 640885), (5, 512708), (7, 366220), (10, 256354), (14, 183110), (20, 128177), (28, 91555), (35, 73244), (70, 36622), (140, 18311)]