12378640

素因数分解:

$2^4\times 5^1\times {\mathrm{154733}}^1$

素因数の和:154746

約数の個数: 20

約数和(自身を含む): 28780524

約数和(自身を除く): 16401884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154733, 309466, 618932, 773665, 1237864, 1547330, 2475728, 3094660, 6189320, 12378640]

約数ペア:

[(1, 12378640), (2, 6189320), (4, 3094660), (5, 2475728), (8, 1547330), (10, 1237864), (16, 773665), (20, 618932), (40, 309466), (80, 154733)]