16449520

素因数分解:

$2^4\times 5^1\times {\mathrm{205619}}^1$

素因数の和:205632

約数の個数: 20

約数和(自身を含む): 38245320

約数和(自身を除く): 21795800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205619, 411238, 822476, 1028095, 1644952, 2056190, 3289904, 4112380, 8224760, 16449520]

約数ペア:

[(1, 16449520), (2, 8224760), (4, 4112380), (5, 3289904), (8, 2056190), (10, 1644952), (16, 1028095), (20, 822476), (40, 411238), (80, 205619)]