16729840

素因数分解:

$2^4\times 5^1\times {\mathrm{209123}}^1$

素因数の和:209136

約数の個数: 20

約数和(自身を含む): 38897064

約数和(自身を除く): 22167224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209123, 418246, 836492, 1045615, 1672984, 2091230, 3345968, 4182460, 8364920, 16729840]

約数ペア:

[(1, 16729840), (2, 8364920), (4, 4182460), (5, 3345968), (8, 2091230), (10, 1672984), (16, 1045615), (20, 836492), (40, 418246), (80, 209123)]