16137640

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{919}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 36432000

約数和(自身を除く): 20294360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 919, 1756, 1838, 2195, 3512, 3676, 4390, 4595, 7352, 8780, 9190, 17560, 18380, 36760, 403441, 806882, 1613764, 2017205, 3227528, 4034410, 8068820, 16137640]

約数ペア:

[(1, 16137640), (2, 8068820), (4, 4034410), (5, 3227528), (8, 2017205), (10, 1613764), (20, 806882), (40, 403441), (439, 36760), (878, 18380), (919, 17560), (1756, 9190), (1838, 8780), (2195, 7352), (3512, 4595), (3676, 4390)]