12147940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{86771}}^1$

素因数の和:86787

約数の個数: 24

約数和(自身を含む): 29155392

約数和(自身を除く): 17007452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 86771, 173542, 347084, 433855, 607397, 867710, 1214794, 1735420, 2429588, 3036985, 6073970, 12147940]

約数ペア:

[(1, 12147940), (2, 6073970), (4, 3036985), (5, 2429588), (7, 1735420), (10, 1214794), (14, 867710), (20, 607397), (28, 433855), (35, 347084), (70, 173542), (140, 86771)]