12349840

素因数分解:

$2^4\times 5^1\times {\mathrm{154373}}^1$

素因数の和:154386

約数の個数: 20

約数和(自身を含む): 28713564

約数和(自身を除く): 16363724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154373, 308746, 617492, 771865, 1234984, 1543730, 2469968, 3087460, 6174920, 12349840]

約数ペア:

[(1, 12349840), (2, 6174920), (4, 3087460), (5, 2469968), (8, 1543730), (10, 1234984), (16, 771865), (20, 617492), (40, 308746), (80, 154373)]