12902380

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1949}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 27190800

約数和(自身を除く): 14288420

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 1949, 3310, 3898, 6620, 7796, 9745, 19490, 38980, 645119, 1290238, 2580476, 3225595, 6451190, 12902380]

約数ペア:

[(1, 12902380), (2, 6451190), (4, 3225595), (5, 2580476), (10, 1290238), (20, 645119), (331, 38980), (662, 19490), (1324, 9745), (1655, 7796), (1949, 6620), (3310, 3898)]